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LAB EQUIPMENT REPAIRS, INCLUDING ULTRALOW FREEZERS, FRIDGES, CENTRIFUGES AND MORE - Click here for details
LAB EQUIPMENT REPAIRS, INCLUDING ULTRALOW FREEZERS, FRIDGES, CENTRIFUGES AND MORE - Click here for details

Hamilton SafeAire Chemical Fume Hood

Fully Tested & Warrantied*
Brand : Hamilton
Product Code : SKU 2848KK HOOD

Shipping

All products ship from our 30,000 sq. ft. Haverhill, MA warehouse

Refurbished Hamilton SafeAire 4' Chemical Fume Hood with Storage Cabinets

Laboratories with limited floor space often face a difficult choice between maximizing workspace and maintaining safe chemical handling capabilities. The refurbished Hamilton SafeAire 4-foot chemical fume hood is designed to deliver dependable chemical containment in a compact footprint, making it an excellent choice for quality control laboratories, university teaching labs, pharmaceutical support laboratories, biotechnology facilities, and industrial research environments.

Measuring 48" W × 31.5" D × 66" H, this Hamilton SafeAire features a slim-profile design that helps preserve valuable aisle space while providing a generous 34" W × 22.5" D × approximately 58" H interior work area. Its compact footprint makes it particularly well suited for laboratory renovations, equipment replacements, and facilities where every square foot of workspace matters.

This configuration is equipped with a durable epoxy resin work surface, integrated flammable and acid storage base cabinets, a combination vertical and horizontal sash, and utility fixtures for compressed air, vacuum, nitrogen, and laboratory gas located on both sides of the work opening. Together, these features provide laboratories with a highly functional workstation capable of supporting a wide variety of chemical handling applications.

Every refurbished chemical fume hood from American Instrument Exchange is carefully inspected prior to shipment, providing laboratories with a dependable, cost-effective alternative to purchasing new laboratory furniture while avoiding lengthy manufacturer lead times.


Key Features

  • Refurbished Hamilton SafeAire 4-foot ducted chemical fume hood

  • Compact footprint ideal for laboratories with limited floor space

  • Exterior dimensions: 48" W × 31.5" D × 66" H

  • Interior working dimensions: 34" W × 22.5" D × approximately 58" H

  • Durable epoxy resin work surface

  • Combination vertical and horizontal safety sash

  • Integrated flammable storage and acid storage base cabinets

  • Air, vacuum, nitrogen, and gas service fixtures located on both sides of the work opening

  • Interior lighting with 120V electrical service

  • Designed for connection to a building exhaust system (blower not included)

  • Backed by a 90-day warranty from American Instrument Exchange


Why Choose a 4-Foot Chemical Fume Hood?

Not every laboratory requires a full six-foot chemical fume hood. For many facilities, a four-foot hood provides the ideal balance between operator protection, available workspace, and efficient laboratory design.

The Hamilton SafeAire 4-foot model is particularly well suited for laboratories performing routine analytical chemistry, sample preparation, reagent handling, solvent transfers, and quality control testing where a smaller work area is sufficient. Its compact size also makes it easier to integrate into existing laboratory layouts without extensive renovations.

For educational laboratories, startup biotechnology companies, hospital laboratories, and research groups working within limited laboratory footprints, a four-foot hood often provides all the functionality required while preserving valuable bench space for additional equipment.


Combination Sash and Utility Configuration

This Hamilton SafeAire is equipped with a combination vertical and horizontal sash, allowing operators to configure the opening based on the procedure being performed. Larger equipment can be loaded using the vertical opening, while routine laboratory procedures can often be completed through smaller horizontal sash openings that improve operator comfort and help maintain consistent airflow.

Utility fixtures are conveniently positioned on both sides of the work area and include:

  • Compressed air

  • Vacuum

  • Nitrogen

  • Laboratory gas

This arrangement allows laboratory instruments and experimental apparatus to be connected without routing hoses or tubing across the primary work surface.


Common Applications

The Hamilton SafeAire 4-foot chemical fume hood is designed for laboratories performing procedures that generate hazardous vapors, fumes, or airborne contaminants when connected to an appropriately engineered laboratory exhaust system.

Common applications include:

  • Sample preparation

  • Organic chemistry procedures

  • Pharmaceutical quality control

  • Environmental testing

  • Reagent preparation

  • Solvent handling

  • Acid digestion

  • General laboratory research

  • Educational chemistry instruction

Its compact footprint makes it especially attractive for laboratories operating multiple individual workstations rather than a single centralized chemical preparation area.


Storage and Workspace Design

Efficient laboratory organization improves both productivity and safety. This Hamilton SafeAire includes integrated flammable storage and acid storage cabinets beneath the hood, allowing laboratories to keep commonly used chemicals organized and readily accessible while reducing unnecessary movement throughout the laboratory.

The chemical-resistant epoxy resin work surface provides a durable platform for routine laboratory procedures while simplifying cleanup after daily use.

Although compact externally, the generous interior height allows the hood to accommodate taller laboratory glassware, reaction vessels, support stands, and analytical equipment that require additional vertical clearance.


Installation and Exhaust Considerations

Like most professional laboratory chemical fume hoods, this Hamilton SafeAire is designed to connect to an existing laboratory exhaust system and is sold without an exhaust blower. This approach allows laboratories to size the exhaust fan according to the airflow requirements of their facility and existing HVAC infrastructure.

Before installation, laboratories should verify:

  • Building exhaust capacity

  • Ductwork compatibility

  • Utility connections

  • Electrical service

  • Available installation space

  • Local building and mechanical code requirements

American Instrument Exchange can assist customers in determining whether this hood is an appropriate replacement for an existing laboratory installation or renovation project.


Ideal Laboratory Applications

The Hamilton SafeAire 4-foot chemical fume hood is well suited for:

  • Pharmaceutical quality control laboratories

  • Biotechnology laboratories

  • Hospital laboratories

  • University teaching laboratories

  • Industrial research facilities

  • Environmental testing laboratories

  • Startup laboratories

  • Laboratory renovation and expansion projects


Key Specifications

Specification Details
Manufacturer Hamilton
Model SafeAire
Hood Width 4 feet
Exterior Dimensions 48" W × 31.5" D × 66" H
Interior Working Area 34" W × 22.5" D × Approx. 58" H
Work Surface Epoxy resin
Sash Type Combination vertical/horizontal
Utility Fixtures Air, Vacuum, Nitrogen, Gas (both sides)
Base Cabinets Flammable storage and acid storage
Electrical 120V
Exhaust Blower Not included
Condition Refurbished
Warranty 90 Days

Specifications compiled from manufacturer literature, available technical references, and American Instrument Exchange product information.


Why Buy a Refurbished Chemical Fume Hood from American Instrument Exchange?

Purchasing a refurbished Hamilton SafeAire allows laboratories to acquire high-quality laboratory furniture while reducing project costs and avoiding the extended lead times often associated with new equipment. Every hood is inspected before shipment, and many configurations include valuable features such as integrated chemical storage cabinets, service fixtures, and chemical-resistant work surfaces that add significant value compared to purchasing new components individually.

Whether you're replacing an aging fume hood, expanding laboratory capacity, or equipping a new research facility, American Instrument Exchange can help identify the right configuration for your application and laboratory layout.


Frequently Asked Questions

Does this chemical fume hood include an exhaust blower?

No. The hood is designed for connection to your laboratory's existing exhaust system. This allows your facility to select a blower that matches its airflow requirements and HVAC design.

Is a 4-foot chemical fume hood large enough for most laboratory work?

For many laboratories, yes. Four-foot hoods are commonly used for analytical chemistry, sample preparation, quality control testing, educational laboratories, and general research procedures where a full six-foot workspace is unnecessary.

What is the advantage of the combination sash?

The combination vertical and horizontal sash allows greater flexibility when loading equipment while improving operator comfort during routine laboratory procedures by permitting work through smaller openings.

What makes this model well suited for laboratory renovations?

Its slim 31.5-inch cabinet depth helps preserve aisle space while still providing a tall interior work area and integrated storage, making it an excellent option for replacing older laboratory hoods without significantly altering the existing laboratory layout.

Testing Procedures for Used and Refurbished Laboratory Equipment

Ensure Accuracy, Safety, and Dependable Performance Across Applications

At American Instrument Exchange, all used and refurbished laboratory equipment undergoes a rigorous, multi-point testing protocol to ensure optimal performance, operational safety, and long-term reliability. Whether the equipment is destined for research, diagnostics, quality control, or production environments, our thorough inspection and testing process is designed to meet the highest standards of laboratory excellence.

Why Testing Used Lab Equipment Is Essential

Before any refurbished laboratory equipment is returned to service, it must be carefully tested to verify:

• Functional integrity and operational performance
• Setpoint accuracy and repeatability (where applicable)
• User interface responsiveness and control features

Proper testing reduces the risk of equipment failure, measurement inaccuracies, or user hazards—helping to ensure consistent results in clinical, academic, biotech, and industrial labs.

Our standardized lab equipment testing procedures are tailored to each equipment type, ensuring every unit meets manufacturer specifications and industry benchmarks.

Key Testing Procedures for Refurbished and Used Laboratory Equipment

1. Initial Visual Inspection

• Examine equipment housing for signs of wear, corrosion, or damage
• Check ports, power cords, and exterior components for tampering or deterioration
• Verify that internal and external parts (racks, shelves, connectors, accessories) are present and undamaged

2. Functional Startup and Operational Testing

• Power on the equipment and verify startup diagnostics
• Confirm functionality of displays, buttons, switches, and control panels
• Run basic functions to confirm proper response and behavior under standard operating conditions

3. Testing and Performance Verification

• Test internal sensors or control systems using industry-standard tools
• Perform operational tests to validate accuracy and consistency
• Verify key performance specifications such as temperature control, timing, speed, or measurement outputs, depending on equipment type

4. Mechanical and Electrical System Testing

• Evaluate motors, pumps, fans, or other moving parts for smooth operation
• Inspect and test wiring, relays, fuses, and circuit boards for safety and reliability
• Test power delivery and grounding compliance

5. Safety and Compliance Checks

• Ensure equipment is grounded and insulated to meet laboratory safety standards
• Test alarms, interlocks, emergency stops, or safety shutdown systems if applicable

6. Final Quality Assurance and Documentation

• Perform extended runtime testing
• Document operational logs, testing results, and any repairs or adjustments made
• Complete a final inspection, thorough cleaning, and packaging for delivery

Trusted Quality from American Instrument Exchange

With over 50 years of experience in laboratory equipment refurbishment, American Instrument Exchange is committed to delivering certified, lab-ready instruments backed by expert testing. Our testing protocols ensure that each piece of equipment—regardless of type—is safe, accurate, and dependable from day one.

Whether you're equipping a startup lab or expanding a high-throughput facility, you can count on our refurbished laboratory equipment to perform with precision and reliability.

Refurbishment Protocol for Used Laboratory Equipment from American Instrument Exchange

At American Instrument Exchange, every piece of used laboratory equipment we offer undergoes a multi-step refurbishment process. Whether it's an analytical balance, centrifuge, freezer, oven, or any other essential lab instrument, our goal is to restore each unit to peak performance—ensuring accuracy, safety, and long-term reliability in scientific, clinical, industrial, and academic environments.

Why Choose Refurbished Lab Equipment from American Instrument Exchange?

• Thoroughly tested for performance, precision, and safety
• Backed by a warranty
• A cost-effective alternative to new equipment
• Environmentally sustainable through equipment reuse and waste reduction
• Serviced by expert technicians with decades of laboratory equipment experience

Step-by-Step Refurbishment Protocol

Every instrument and system refurbished at American Instrument Exchange follows a detailed, industry-aligned process:

1. Initial Intake & Inspection

• Complete visual and structural inspection for cosmetic damage, wear, or corrosion
• Mechanical assessment of hinges, seals, fasteners, motors, and moving parts
• Missing components and damaged items are documented for repair or replacement

2. Cleaning and Decontamination

• Full internal and external cleaning using non-abrasive, lab-safe solutions
• Removal of biological, chemical, or particulate contamination
• Disassembly and cleaning of removable parts such as trays, shelves, and filters

3. Mechanical and Electrical Repair

• Replacement or repair of worn or broken mechanical parts
• Evaluation and servicing of control panels, sensors, switches, and displays
• Testing and repair of electrical wiring, fuses, circuit boards, and power supplies

4. Functional System Testing

• Assessment of all major functions specific to the equipment type (e.g., speed, temperature, force, weight, timing)
• Operation of control interfaces, programming menus, and digital displays
• Verification of stabilization time, responsiveness, and user input reliability

5. Testing and Performance Verification

• Testing of internal sensors, controllers, and measurement systems using certified tools
• Multi-point testing to ensure repeatability, accuracy, and performance consistency
• Confirmation of user-defined setpoints, timing sequences, or programmable cycles

6. Safety and Compliance Checks

• Testing of safety interlocks, alarms, and over-limit protection systems (as applicable)
• Electrical safety inspections, including grounding and insulation verification

7. Final Quality Assurance and Documentation

• Full operational testing under simulated lab conditions
• Completion of performance benchmarks, testing  results, and repair logs
• Final cleaning and visual inspection

Trust the Experts at American Instrument Exchange

With over 50 years of experience in the laboratory equipment industry, American Instrument Exchange is a trusted leader in high-quality refurbished lab instruments. Our refurbishment protocols ensure that every piece of equipment we sell is lab-ready—offering the precision, performance, and durability your team can count on.

Whether you’re outfitting a new lab or expanding an existing operation, choose American Instrument Exchange for tested, warrantied, and cost-effective laboratory equipment.

Warranty Information

All used equipment sold by American Instrument Exchange is refurbished/reconditioned, tested to meet specifications, cleaned, and comes with a 90-day warranty from the date of shipment unless otherwise specified. New products include a warranty from the manufacturer. Your warranty is only valid if you have paid your invoice. If your invoice is over 30 days old, warranty work will not be performed until your invoice is paid in full.  American Instrument Exchange is not liable for any special or consequential damages that result from the use of, or the inability to use, the materials on this site or the performance of the products,

Exceptions include international sales and items that are agreed to be sold with a lesser warranty or items that are agreed to be sold “as is.”

Should there be visible shipping damage to packaging or concealed shipping damage to item(s) supplied, buyer must communicate such damage to the delivering entity or carrier upon receipt first and to American Instrument the same day item is accepted / signed for. Failure to do so voids warranty. Customer decision to involve / procure third party or OEM service other than American Instrument or AIE assigned vendors to resolve in-warranty instrument failure or defect without first placing a service call to American Instrument voids warranty.

Return & Cancellation Policy

American Instrument Exchange will authorize the return of and issue a full refund for any equipment that is not working as represented and could not be replaced or repaired to the customer’s satisfaction by AIE or a representative of AIE during the warranty period. Returns without prior authorization and an RMA number will not be accepted. 

Customers are responsible for proper packaging of the equipment and all included accessories. American Instrument will pay for insurance and shipping costs. Non-inventory items bought specifically to fill customer orders may possibly be returned, but on a case by case basis.

Customers who cancel orders after refurbishing has begun or after delivery where there are no equipment performance issues may be subject to a Restocking/Cancellation Fee of 20% or more and responsible for shipping costs for both the delivery and return.

Ongoing and Extended Support Options

American Instrument Exchange is able to provide additional repair and support services outside the warranty terms for most products that sell.

For biosafety cabinets, clean benches, chemical fume hoods, and other clean air products our team at AIE Laboratory Services can provide certifications, repairs, decontaminations, and other services for customers throughout New England, and guidance and limited technical assistance for any customers in the US and Canada for new or refurbished biosafety cabinets purchased from American Instrument Exchange.

For all other products, the repair service team at American Instrument Exchange can provide both field and depot repair evaluations. We can easily schedule and coordinate the pick-up and transportation of your malfunctioning equipment. By offering hourly rates lower than most OEM service providers and eliminating travel time for technicians, we help reduce repair costs. Furthermore, our lab depot repair service minimizes or eliminates scheduling delays. Our experienced service technicians are qualified to restore your equipment to factory specifications.

Please contact our team at info@americaninstrument.com for more details.

FAQ

Does the equipment come with a warranty?

Yes, all equipment from American Instrument Exchange comes with a warranty.
Used/reconditioned/refurbished equipment is tested to make sure it operates to the manufacturer's specifications and comes with a 90-day warranty (unless otherwise noted). New equipment comes with a warranty from the manufacturer.

How do you test and recondition the equipment?

Testing requirements vary across all the equipment categories we sell. Temperature controlled units are tested with NIST traceable probes and data loggers. Gaskets, external housing, glass, handles, controls and control screens are all thoroughly inspected for integrity and functionality.
We test all equipment using the manufacturer's parameters and specifications to confirm that the unit operates properly.

How do products ship from American Instrument Exchange?

We can ship products both nationally and internationally using a well-established network of transporters. Smaller items will ship via UPS. Larger equipment will be palletized and shipped either LTL or air-ride, depending on the specific equipment and/or delivery requirements.

Return and order cancellation policy

American Instrument Exchange will accept the return of any product that is not working as represented and could not be replaced or repaired to the customer's satisfaction during the warranty period. Customers who cancel orders after refurbishing has begun will be subject to a cancellation and restocking fee of between 20% and 40%.

Are discounts available for educational or non-profit institutions, or for bulk purchases?

Yes – call or email us today with a list of equipment you're looking for and we can potentially put together a quote that includes a discount.

How does your price matching policy work?

We strive to keep our pricing competitive and reasonable. If you find comparable items for sale at a lower price from other vendors please send us a link and or quote for the item and we'll do our best to match or beat the price.

Can I see the equipment in person before committing to a purchase?

Customers are welcome to make an appointment to view equipment in our warehouse. Given our workload we may not be able to test or clean the equipment prior to your arrival if you have not committed to an order.

1023 Western Avenue is a working warehouse, not a showroom, and customers should dress appropriately and wear closed toe shoes.

Can I ship products that I purchased elsewhere to American Instrument for repair?

Yes – please see our repair services page for more information.