{"product_id":"thermo-hamilton-concept-4-chemical-fume-hood","title":"Thermo Hamilton Concept 4' Chemical Fume Hood","description":"\u003ch2\u003e\u003cspan\u003eThermo Hamilton Concept 4' Chemical Fume Hood with Epoxy Work Surface and Base Cabinets – Refurbished\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept 4' Chemical Fume Hood is a laboratory ventilation enclosure designed to provide personnel protection during chemical handling, sample preparation, and procedures involving hazardous fumes and vapors. Available refurbished from American Instrument Exchange, this four-foot chemical fume hood combines an efficient airflow design, ergonomic access, chemical-resistant construction, and a durable epoxy work surface to create a practical workstation for research, industrial, pharmaceutical, and educational laboratories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis particular Thermo Hamilton Concept fume hood features a distinctive blue exterior finish and includes an epoxy work surface and matching base cabinets. The hood measures approximately 48\" W × 42\" D × 52\" H, with a usable work surface measuring approximately 38\" W × 28\" D. Its four-foot configuration offers substantial working space while requiring less laboratory floor area than larger six- or eight-foot chemical fume hoods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Hamilton Concept series was engineered to improve chemical containment while supporting efficient laboratory ventilation. Its low-flow design, controlled sash positioning, and preset airflow baffles help maintain appropriate containment conditions when connected to a properly designed external exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRefurbished by American Instrument Exchange, this Thermo Hamilton Concept fume hood includes a 90-day warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRefurbished Thermo Hamilton Concept chemical fume hood\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFour-foot-wide laboratory ventilation enclosure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDistinctive blue exterior finish\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eApproximate exterior dimensions of 48\" W × 42\" D × 52\" H\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUsable epoxy work surface measuring approximately 38\" W × 28\" D\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEpoxy work surface included\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBase cabinets included\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for ducted chemical vapor exhaust\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLow-flow containment design for efficient laboratory ventilation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCounterbalanced sash system for convenient access\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConcept series sash-positioning technology\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePreset internal airflow baffles\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChemical-resistant interior liner\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAerodynamic front airfoil and bypass airflow design\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for research, analytical chemistry, and industrial laboratory applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExternal exhaust blower required and not included\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRefurbished and tested by American Instrument Exchange\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e90-day warranty included\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eOverview of the Thermo Hamilton Concept Fume Hood\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept series was developed to provide improved laboratory containment, operator visibility, and ergonomic performance compared with traditional chemical fume hood designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA properly installed chemical fume hood draws laboratory air inward through the front sash opening, capturing hazardous chemical vapors and directing them toward an external exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Concept series incorporates engineered airflow features intended to reduce turbulence, improve containment, and support efficient operation at appropriately selected face velocities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts counterbalanced sash system allows operators to access the work area for equipment placement, chemical transfers, and routine procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe four-foot configuration is especially useful for laboratories requiring a dedicated chemical-handling workstation without the space requirements of a larger hood.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis refurbished unit also includes an epoxy work surface and base cabinets, reducing the need to purchase these major installation components separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLow-Flow Design and Laboratory Ventilation Efficiency\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOne of the defining characteristics of the Hamilton Concept series is its low-flow ventilation design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConventional laboratory fume hoods often require substantial exhaust airflow to maintain appropriate containment. The Concept series incorporates aerodynamic features intended to support effective containment over a range of operating face velocities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHamilton literature describes Concept fume hoods designed for nominal face velocities ranging from approximately 60 to 100 feet per minute, depending on the configuration and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ability to operate at lower airflow rates can help reduce the amount of conditioned laboratory air exhausted from a building.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis may contribute to lower heating, cooling, and ventilation costs when the hood is properly integrated into a laboratory's HVAC system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual exhaust requirements depend on the specific hood configuration, sash opening, laboratory airflow conditions, and applicable safety standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe appropriate operating airflow should be determined by a qualified laboratory ventilation professional and verified through testing after installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCounterbalanced Sash and Ergonomic Access\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Hamilton Concept series incorporates an engineered sash system designed to provide convenient access to the laboratory work area.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConcept hoods are known for their counterbalanced sash arrangements, which allow the sash to be repositioned with relatively little operator effort.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe series also introduced AutoSash positioning technology, designed to encourage operation at an appropriate sash height while allowing greater access during equipment loading.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis feature can help reduce unnecessary exhaust airflow when the hood is used with a compatible ventilation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe specific sash arrangement and AutoSash hardware installed on this refurbished unit should be confirmed during inspection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sash should be operated at the approved working height during chemical procedures and raised beyond that position only when necessary for equipment loading or maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePreset Baffles and Controlled Airflow\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept incorporates an internal baffle arrangement designed to distribute exhaust airflow across the work area.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProper baffle design helps reduce stagnant areas and directs contaminated air toward the exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHamilton Concept literature describes preset baffles engineered to optimize airflow distribution without requiring routine operator adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe series also uses a bypass airflow design intended to manage air movement as the sash position changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese features can help reduce turbulence and support more consistent containment during laboratory procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe baffles must remain unobstructed during operation. Large instruments, storage containers, or equipment placed directly against the rear baffles can interfere with airflow and reduce containment performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEpoxy Work Surface Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis refurbished Thermo Hamilton Concept fume hood includes a durable epoxy work surface measuring approximately 38 inches wide by 28 inches deep.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEpoxy resin work surfaces are widely used in chemical laboratories because they provide a hard, nonporous surface with resistance to many common laboratory chemicals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe included work surface provides a dedicated area for chemical preparation, glassware, analytical instruments, and other equipment used during routine laboratory procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts approximately 38-inch width provides ample space for small-scale experiments, sample preparation, and chemical handling while maintaining the compact footprint of a four-foot hood.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe work surface should be cleaned promptly after chemical spills, and compatibility should be verified for particularly aggressive reagents or prolonged chemical exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBase Cabinets Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIn addition to the epoxy work surface, this Thermo Hamilton Concept fume hood includes base cabinets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe included cabinets provide structural support for the hood and offer convenient storage space beneath the laboratory work area.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis integrated arrangement can simplify laboratory installation by eliminating the need to source separate supporting cabinetry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBase cabinets can also help organize laboratory supplies and equipment used in conjunction with the fume hood.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact cabinet configuration, door arrangement, and storage classification should be verified before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStandard laboratory base cabinets should not be assumed suitable for flammable liquids or corrosive chemicals unless specifically designed and labeled for those purposes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eChemical-Resistant Construction and Blue Finish\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept series was designed for demanding laboratory environments where chemical resistance, durability, and ease of maintenance are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConcept fume hoods incorporate chemically resistant interior liners and durable exterior construction intended to withstand routine laboratory use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis particular refurbished unit features a distinctive blue exterior finish, providing an alternative to the more common white and neutral-colored laboratory fume hoods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe blue finish can complement existing laboratory cabinetry or provide a visually coordinated appearance in renovated or newly equipped laboratory spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe chemical-resistant interior and epoxy work surface help provide a practical environment for routine chemical handling and sample preparation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAs with any laboratory fume hood, materials should be evaluated for compatibility with the chemicals and procedures used.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept 4' Chemical Fume Hood is suitable for a broad range of laboratory procedures that require capture and external exhaust of hazardous chemical vapors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTypical applications include analytical sample preparation, chemical reagent dispensing, organic chemistry procedures, solvent handling, acid and base preparation, pharmaceutical research, environmental sample processing, and industrial quality control testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe hood may also be used for selected laboratory procedures involving heated chemicals, provided the ventilation system and enclosure materials are appropriate for the operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts four-foot width makes it particularly useful for individual workstations, smaller laboratories, and facilities requiring multiple dedicated chemical-handling areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIdeal Laboratory Environments\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept is well suited for pharmaceutical research and development laboratories, biotechnology facilities, analytical chemistry laboratories, environmental testing facilities, industrial research departments, university teaching laboratories, and institutional research laboratories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe included epoxy work surface and base cabinets make this refurbished unit particularly attractive for laboratory renovations, equipment replacements, and new workstation installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts compact width can also benefit laboratories where floor space is limited but a full ducted chemical fume hood is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThermo Scientific \/ Hamilton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Line\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConcept\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDucted Chemical Fume Hood\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNominal Width\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 feet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExterior Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 48\" W × 42\" D × 52\" H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUsable Work Surface\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 38\" W × 28\" D\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExterior Color\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlue\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWork Surface Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEpoxy resin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWork Surface Included\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBase Cabinets Included\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVentilation Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExternal exhaust\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAirflow Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLow-flow Concept series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer Design Face Velocity Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 60–100 FPM, configuration dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSash\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCounterbalanced; verify specific configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSash Positioning\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConcept series AutoSash design; verify installed hardware\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInternal Baffles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePreset airflow baffle design\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInterior Liner\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChemical-resistant\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExhaust Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerify individual unit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExhaust Blower\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eExternal Ductwork\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRequired\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUtility Fixtures\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConfirm installed configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrical Requirements\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConfirm from equipment nameplate\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLighting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConfirm installed configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRefurbished\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90 days\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eSpecifications compiled from manufacturer literature, distributor technical references, and American Instrument Exchange product information. Dimensions reflect the individual unit described and may differ from other Hamilton Concept configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDucted Fume Hood vs. Ductless Chemical Enclosure\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept is a conventional ducted chemical fume hood designed to capture chemical vapors and direct them to an external exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis differs from ductless chemical enclosures that rely on activated carbon or other specialized filters to remove selected contaminants before returning treated air to the laboratory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA ducted chemical fume hood can provide greater flexibility for laboratories handling a broad range of chemical vapors, particularly when those chemicals are not suitable for recirculating filtration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Hamilton Concept does not rely on replaceable carbon filters as its primary method of chemical vapor removal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead, safe operation depends on a properly designed exhaust system, adequate airflow, and verified containment performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor laboratories that already have suitable building exhaust infrastructure, a refurbished ducted fume hood can provide a practical and economical containment solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eExhaust Blower and Installation Requirements\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept 4' Chemical Fume Hood requires connection to an external exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn exhaust blower motor is not included with this refurbished unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause exhaust requirements depend on duct length, static pressure, building configuration, sash opening, and required airflow, blower selection should be completed by a qualified laboratory ventilation contractor or HVAC professional.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ventilation system should be designed to provide adequate containment without excessive turbulence or unnecessary energy consumption.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe hood should be installed away from doors, high-traffic areas, and supply-air diffusers that could interfere with airflow through the sash opening.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, airflow measurements and appropriate containment testing should be performed before the hood is used for hazardous chemical procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRefurbishment and Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis Thermo Hamilton Concept chemical fume hood is refurbished by American Instrument Exchange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur technicians inspect the enclosure's structural condition, sash, counterbalance mechanism, internal baffles, lighting, and other applicable components as part of the refurbishment process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe epoxy work surface and base cabinets are also inspected for condition and suitability for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe unit is cleaned and prepared for shipment following the appropriate reconditioning procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause the fume hood requires an external exhaust system, final airflow performance must be verified after installation at the customer's facility.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eShipping and Laboratory Installation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept 4' Chemical Fume Hood includes an epoxy work surface and base cabinets, making it a convenient option for laboratories seeking a more complete workstation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBefore ordering, laboratories should verify available floor space, ceiling clearance, ductwork routing, and the structural requirements for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe hood superstructure measures approximately 48 inches wide, 42 inches deep, and 52 inches high. The overall installed height will depend on the included base cabinet configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe work surface measures approximately 38 inches wide by 28 inches deep.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Instrument Exchange can assist customers with equipment information, shipping arrangements, and questions about the included components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRelated Laboratory Equipment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Instrument Exchange offers a broad selection of refurbished \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/fume-hoods\"\u003e\u003cspan\u003echemical fume hoods\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, including models from Thermo Hamilton, Labconco, Kewaunee, Baker, and other leading laboratory equipment manufacturers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor laboratories performing analytical sample preparation, AIE also supplies \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/balances\"\u003e\u003cspan\u003eanalytical and precision balances\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/vacuum-pumps\"\u003e\u003cspan\u003evacuum pumps\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003ca href=\"https:\/\/www.americaninstrument.com\/collections\/circulators\"\u003e\u003cspan\u003erecirculating chillers and circulators\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese products can complement chemical fume hood workstations used for laboratory research, sample preparation, and industrial testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Buy a Refurbished Thermo Hamilton Concept Fume Hood from American Instrument Exchange?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePurchasing a refurbished Thermo Hamilton Concept 4' Chemical Fume Hood provides laboratories with an opportunity to obtain a high-quality chemical containment workstation at a lower cost than purchasing new equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis particular unit offers several advantages, including its compact four-foot width, distinctive blue finish, durable epoxy work surface, and included base cabinets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Concept series' engineered airflow features and ergonomic sash design make it a practical choice for laboratories seeking effective chemical vapor containment and efficient ventilation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Instrument Exchange specializes in used and refurbished laboratory equipment, helping research, pharmaceutical, industrial, and educational laboratories obtain quality equipment while controlling capital expenses.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis refurbished Thermo Hamilton Concept fume hood includes a 90-day warranty from American Instrument Exchange.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the Thermo Hamilton Concept fume hood designed for?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe Thermo Hamilton Concept is a ducted chemical fume hood designed to capture and exhaust hazardous chemical vapors during laboratory procedures such as reagent preparation, solvent handling, and analytical sample processing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat are the dimensions of this four-foot Hamilton Concept fume hood?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe hood measures approximately 48 inches wide, 42 inches deep, and 52 inches high. These dimensions describe the hood superstructure; overall installed height depends on the included base cabinets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat are the dimensions of the usable work surface?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe included epoxy work surface measures approximately 38 inches wide by 28 inches deep.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eDoes this Thermo Hamilton Concept include an epoxy work surface?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. This refurbished unit includes a durable epoxy resin work surface suitable for many common laboratory chemical-handling procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eAre base cabinets included?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. Base cabinets are included with this Thermo Hamilton Concept fume hood. Their exact configuration should be confirmed before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat color is this fume hood?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThis particular Thermo Hamilton Concept fume hood features a blue exterior finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eDoes the Thermo Hamilton Concept include a blower motor?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eNo. An external exhaust blower motor is not included. The hood must be connected to an appropriately designed laboratory exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eIs the Hamilton Concept a ductless fume hood?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eNo. This model is a conventional ducted chemical fume hood designed to capture chemical vapors and exhaust them outside the building.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the advantage of the Hamilton Concept low-flow design?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe Concept series incorporates aerodynamic airflow features intended to support effective containment at appropriately selected face velocities. This can help reduce laboratory exhaust airflow and associated energy consumption when properly installed and tested.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eWhat is the AutoSash system?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eAutoSash is a Hamilton Concept sash-positioning feature designed to encourage operation at the appropriate working height. The exact sash configuration and installed hardware should be confirmed for this refurbished unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eCan this fume hood be used for solvent handling?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes, when connected to an appropriate external exhaust system and used according to laboratory safety procedures. Chemical compatibility and ventilation requirements should be evaluated for the intended solvents.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eDoes the hood require certification after installation?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe installed hood should undergo appropriate airflow verification and containment testing before hazardous chemical use. ASHRAE 110 testing may be appropriate depending on facility requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eDoes this refurbished Thermo Hamilton Concept include a warranty?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eYes. American Instrument Exchange includes a 90-day warranty with this refurbished Thermo Hamilton Concept chemical fume hood.\u003c\/span\u003e\u003c\/p\u003e","brand":"Thermo Scientific","offers":[{"title":"Default Title","offer_id":51023577251888,"sku":"2836HH HOOD","price":5900.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0252\/1228\/9072\/files\/DSC_0058b.jpg?v=1793992025","url":"https:\/\/www.americaninstrument.com\/products\/thermo-hamilton-concept-4-chemical-fume-hood","provider":"American Instrument Exchange","version":"1.0","type":"link"}