Baker SG404M 4' A2 Biosafety Cabinet with Hydraulic Stand

Baker SterilGARD e3 SG404M 4' Class II Type A2 Biosafety Cabinet with Hydraulic Stand – Refurbished

Refurbished Baker SG404M Biosafety Cabinet with Height-Adjustable Stand

The Baker SterilGARD e3 SG404M is a premium 4-foot Class II Type A2 biosafety cabinet designed to provide personnel, product, and environmental protection during cell culture, microbiology, biotechnology, pharmaceutical research, and other biological laboratory procedures. Combining Baker's advanced airflow management technology with a spacious stainless steel work chamber and a powered hydraulic height-adjustable stand, the SG404M offers an exceptional combination of biological containment, operator comfort, and energy efficiency.

Part of Baker's SterilGARD e3 series, the SG404M incorporates StediFLOW self-adjusting motor technology, ReadySAFE energy-saving operation, and a 12-inch working sash opening. These features help maintain dependable airflow performance while providing additional working clearance and convenient operation.

This refurbished cabinet, American Instrument Exchange SKU 0877JJ BIO CAB, includes a fully adjustable, electronically controlled hydraulic stand that allows the work-surface height to be positioned from approximately 20 to 38.63 inches. The adjustable stand makes the cabinet particularly useful in laboratories where researchers alternate between seated and standing work or where multiple operators require different working heights.

The 4-foot cabinet provides a nominal 46-inch-wide interior chamber, offering ample space for culture vessels, sample racks, pipettes, aspiration equipment, and other laboratory materials.

American Instrument Exchange professionally refurbishes and tests used biosafety cabinets before shipment. This SG404M configuration includes new supply and exhaust HEPA filters and is backed by a 90-day warranty.

For laboratories seeking a refurbished Baker SG404M or a comparable 4-foot Class II Type A2 biosafety cabinet, American Instrument Exchange can assist with equipment availability, specifications, and replacement options.

Key Features

• Baker SterilGARD e3 SG404M Class II Type A2 biosafety cabinet

• 4-foot nominal cabinet width

• 12-inch certified working sash opening

• Electronically controlled hydraulic height-adjustable stand included

• Work-surface height adjustable from approximately 20 to 38.63 inches

• StediFLOW self-adjusting motor technology

• ReadySAFE energy-saving operating mode

• HEPA-filtered supply and exhaust airflow

• New supply and exhaust HEPA filters included

• Nominal 46-inch-wide interior work chamber

• Approximately 44-inch-wide usable work surface

• Stainless steel interior and work surface

• Angled viewscreen for improved operator visibility

• Ergonomic padded front armrest

• Automatic compensation for increasing HEPA filter resistance

• Audible and visual operating alarms

• Membrane-style operator control panel

• Right-side cable and tubing access port

• Interior electrical receptacles

• Low-vibration blower assembly

• NSF/ANSI 49 Class II Type A2 design

• Refurbished and tested by American Instrument Exchange

• 90-day warranty included

Overview

The Baker SterilGARD e3 SG404M is designed for laboratories requiring dependable biological containment, a comfortable working environment, and efficient operation.

As a Class II Type A2 biosafety cabinet, the SG404M uses inward airflow at the front opening to help protect laboratory personnel from potentially hazardous biological aerosols. HEPA-filtered vertical downflow provides product protection within the work chamber, while HEPA-filtered exhaust helps protect the surrounding environment.

The cabinet's airflow management system incorporates Baker's StediFLOW technology, which automatically adjusts blower operation as HEPA filter resistance changes. This helps maintain the designed airflow profile throughout normal operation.

The SterilGARD e3 platform also incorporates ReadySAFE mode, an energy-saving operating feature that allows the cabinet to maintain protective airflow conditions with the viewscreen closed.

These features distinguish the SG404M from older biosafety cabinets that rely on conventional fixed-speed blower systems and offer fewer energy-management capabilities.

The included hydraulic stand adds another important advantage. Rather than requiring operators to adapt to a fixed working height, the cabinet can be adjusted to accommodate different users and laboratory procedures.

For facilities outfitting new laboratories, replacing older biosafety cabinets, or expanding biological research capacity, the Baker SG404M offers a versatile and ergonomic Class II Type A2 containment workstation.

Powered Hydraulic Height-Adjustable Stand

One of the most valuable features of this refurbished Baker SG404M is its electronically controlled hydraulic stand.

The stand allows the cabinet's work surface to be raised or lowered through a range of approximately 20 to 38.63 inches, providing flexibility for seated and standing laboratory work.

This adjustment capability can be especially beneficial in shared laboratories where multiple researchers use the same biosafety cabinet.

Operators can position the work surface at a comfortable height for pipetting, cell culture, sample preparation, and other repetitive procedures.

The hydraulic stand also helps laboratories accommodate different seating arrangements, ergonomic preferences, and accessibility requirements.

Unlike a conventional fixed-height base stand, the powered hydraulic system provides convenient adjustment without requiring the cabinet to be manually lifted or repositioned.

The stand is an important consideration when comparing refurbished SG404M cabinets because not every SterilGARD e3 configuration includes a powered height-adjustable base.

For laboratories where operator comfort and workstation flexibility are priorities, this feature can provide substantial long-term value.

StediFLOW Self-Adjusting Airflow Technology

The Baker SterilGARD e3 SG404M incorporates StediFLOW self-adjusting motor technology, designed to support consistent airflow performance while improving energy efficiency.

As HEPA filters accumulate particulate material during normal operation, resistance to airflow gradually increases.

StediFLOW automatically adjusts motor performance to compensate for these changes and help maintain the cabinet's intended airflow conditions.

This approach reduces the need for excessive blower operation when filters are relatively clean while providing additional motor output as filtration resistance increases.

Baker developed the SterilGARD e3 platform to combine biological containment with improved energy efficiency and reduced operating noise.

The manufacturer reports energy-efficiency improvements of up to 60% compared with certain conventional biosafety cabinet designs, depending on the comparison and operating conditions.

For laboratories operating multiple biosafety cabinets or using equipment for extended periods, improved energy efficiency can contribute to lower electrical consumption and reduced heat generation.

StediFLOW does not replace routine field certification, but it provides an important level of automatic airflow compensation between scheduled certification visits.

ReadySAFE Energy-Saving Operation

ReadySAFE is another distinguishing feature of the Baker SterilGARD e3 platform.

This operating mode allows the cabinet to maintain protective airflow conditions with the viewscreen closed while reducing energy consumption during periods when the work chamber is not actively being used.

ReadySAFE can be useful during laboratory breaks, between procedures, or overnight when the cabinet remains powered but is not occupied.

When the viewscreen is returned to its normal working position, the cabinet resumes its standard operating airflow.

This feature can help reduce unnecessary energy consumption and filter loading while supporting efficient laboratory operation.

ReadySAFE should not be interpreted as a substitute for appropriate cleaning, decontamination, or laboratory shutdown procedures.

12-Inch Working Sash Opening

The SG404M features a nominal 12-inch working sash opening, providing greater vertical access than many Class II Type A2 cabinets equipped with 8-inch or 10-inch operating apertures.

The additional opening height can be particularly useful when working with taller culture vessels, sample racks, and compatible laboratory equipment.

The cabinet incorporates an angled viewscreen designed to improve visibility and operator comfort.

The front armrest provides additional ergonomic support during extended laboratory procedures.

The cabinet must be operated at its designated working sash position during biological procedures. Raising the viewscreen beyond the certified working opening can alter the protective airflow conditions at the front of the cabinet.

After installation, the SG404M should be field certified at its intended operating sash height before biological use.

Stainless Steel Interior & Work Surface

The Baker SG404M incorporates a stainless steel work chamber designed for durability, cleanability, and routine biological laboratory use.

The nominal interior chamber measures approximately 46 inches wide, 24.56 inches deep, and 27.44 inches high.

The usable work surface measures approximately 44 inches wide by 19.63 inches deep.

This provides substantial room for routine cell culture, microbiology, molecular biology, and pharmaceutical research procedures.

The stainless steel construction supports regular cleaning and disinfection, while the interior layout allows researchers to organize materials within the HEPA-filtered working area.

For laboratories performing frequent biological procedures, maintaining an organized workspace and unobstructed airflow openings is essential to dependable containment performance.

Right-Side Cable & Tubing Access Port

The Baker SterilGARD e3 SG404M includes a right-side access port designed to accommodate compatible electrical cables, aspiration tubing, and other laboratory connections.

The port incorporates flexible sealing components that allow appropriately sized cables or tubing to pass through the cabinet wall.

This can be particularly useful when operating aspiration equipment, monitoring instruments, or other compatible devices inside the work chamber.

Using a designated access port helps avoid routing cables through the front sash opening, where they could interfere with the intended protective airflow pattern.

Utility connections should be installed according to the manufacturer's instructions and should not compromise cabinet containment performance.

Operator Controls & Safety Alarms

The SG404M incorporates a membrane-style operator control panel with push-button controls for essential cabinet functions.

The control system provides access to blower operation, work-area lighting, electrical receptacles, alarm functions, and optional equipment where installed.

Audible and visual alarms help alert operators to certain unsafe or abnormal operating conditions.

These include viewscreen-position alarms, power or processor faults, and certain viewscreen sensor faults.

The blower and motor assembly is designed to minimize vibration and provide dependable operation.

For laboratories where multiple researchers share a biosafety cabinet, straightforward controls and clearly communicated alarms help support consistent equipment use.

Common Applications

The Baker SterilGARD e3 SG404M is well suited to mammalian cell culture, tissue culture, stem cell research, microbiology, molecular biology, virology, biotechnology, vaccine development, pharmaceutical research, and other procedures requiring Class II Type A2 biological containment.

Its 12-inch working sash opening provides additional vertical clearance, while the hydraulic stand makes the cabinet particularly attractive for laboratories where operators alternate between seated and standing work.

The 4-foot chamber provides sufficient room for many routine biological procedures without requiring the larger laboratory footprint of a 5- or 6-foot cabinet.

Ideal Laboratory Environments

The Baker SG404M is an excellent choice for biotechnology companies, pharmaceutical research facilities, university laboratories, hospital research departments, clinical research organizations, microbiology laboratories, and other life-science institutions.

Its combination of StediFLOW airflow management, ReadySAFE operation, a spacious stainless steel chamber, and a powered hydraulic stand makes it especially suitable for laboratories seeking both biological containment and operator comfort.

The cabinet can also be a practical choice for facilities replacing older fixed-height biosafety cabinets with more ergonomic equipment.

Key Specifications

Specifications are compiled from Baker manufacturer literature and American Instrument Exchange product information. The 20–38.63-inch hydraulic adjustment range and included new HEPA filters are specific to AIE's listed configuration. Actual dimensions, electrical requirements, stand operation, and accessories should be confirmed for the individual refurbished unit.

Why Buy a Refurbished Baker SG404M from American Instrument Exchange?

The Baker SterilGARD e3 SG404M combines the proven biological containment capabilities of a Class II Type A2 biosafety cabinet with energy-efficient airflow management and an ergonomic powered hydraulic stand.

Its StediFLOW motor technology, ReadySAFE operating mode, 12-inch working sash opening, and stainless steel interior make it an attractive choice for laboratories requiring dependable performance and operator comfort.

American Instrument Exchange currently has two refurbished Baker SG404M biosafety cabinets available, each equipped with a powered hydraulic height-adjustable stand and new supply and exhaust HEPA filters.

Both cabinets are professionally refurbished and tested by American Instrument Exchange and include a 90-day warranty.

With two units recently received, laboratories seeking matching biosafety cabinets for multiple workstations or research areas have an opportunity to purchase the same model and configuration.

For laboratories seeking a refurbished 4-foot Baker biosafety cabinet with a hydraulic height-adjustable stand, the SG404M offers an excellent combination of containment technology, ergonomics, energy efficiency, and long-term value.

Click here to see the Baker SG404M on the American Instrument Exchange YouTube channel.