Baker SterilGARD III Advance SG403M

Brand : Baker

Product Code : SKU 0877H BIO CAB

Price Match Policy

Shipping

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

Baker SterilGARD III Advance SG403M Modified Biosafety Cabinet – Refurbished

The Baker SterilGARD III Advance SG403M modified biosafety cabinet is designed to provide personnel, product, and environmental protection for laboratory procedures requiring contamination-controlled airflow and customized workflow integration. Commonly used for specialized laboratory applications, animal handling workflows, pharmaceutical research, biotechnology procedures, and custom containment processes, this refurbished Baker biosafety cabinet offers reliable containment performance combined with a modified interior configuration designed for specialized laboratory requirements.

The SG403M is a modified version of the Baker SterilGARD III Advance platform. Depending on the original application, modified SG403M cabinets may include customized work surfaces, pass-throughs, altered sash configurations, integrated accessories, or workflow-specific adaptations not found on standard SG403 biosafety cabinets. Laboratories evaluating modified biosafety cabinets should confirm that the cabinet configuration matches their intended workflow and certification requirements prior to installation.

At American Instrument Exchange, each biosafety cabinet is inspected and tested by our technicians prior to shipment. Unless otherwise specified, new HEPA filters are installed at our facility before delivery. Laboratories outfitting containment-focused workflows may also browse additional refurbished biosafety cabinets, laboratory incubators, centrifuges, and laboratory refrigerators and freezers available through American Instrument Exchange.

Baker SterilGARD III Advance SG403M Key Features

Modified Baker SterilGARD III Advance biosafety cabinet
4-foot workspace configuration
Class II containment platform
HEPA-filtered laminar airflow system
Customized cabinet configuration
Pressure-resistant plenum design
Stainless steel interior work area
Includes stand and new HEPA filters
90-day warranty included from American Instrument Exchange
Refurbished and tested by American Instrument Exchange
Suitable for specialized laboratory workflows

Baker SterilGARD III Advance SG403M Overview

The Baker SterilGARD III Advance SG403M is a modified 4-foot biosafety cabinet engineered for laboratory environments requiring contamination control, sterile airflow, and customized workflow integration. Baker SterilGARD cabinets have long been recognized throughout biotechnology laboratories, pharmaceutical facilities, hospital laboratories, academic research institutions, and cleanroom environments for their durable construction, stable airflow performance, and long-term containment reliability.

Unlike standard production biosafety cabinet models, the SG403M designation typically indicates that the cabinet has been modified from its original factory configuration to support a specific laboratory workflow or application. Depending on the original installation, modifications may include customized interior layouts, integrated accessories, animal handling configurations, equipment pass-throughs, modified work surfaces, altered cabinetry, or workflow-specific containment adaptations.

Please note that this specific unit has been modified with a circular dumping port located in the center of the work surface. Laboratories evaluating this cabinet should confirm that the dumping port configuration is compatible with their intended workflow, containment procedures, and certification requirements prior to installation. Depending on the original application, this type of modification may have been used for powder handling, waste transfer, specialized process integration, or custom laboratory procedures.

The SG403M operates using a HEPA-filtered airflow system designed to maintain sterile working conditions while supporting containment protection for biological workflows. Features may include pressure-resistant plenums, stainless steel interior construction, fluorescent lighting, airflow monitoring systems, removable work trays, ergonomic sash positioning, and heavy-duty welded-steel cabinet construction depending on the specific configuration of the unit.

Many SG403M cabinets were configured with Baker’s hydraulic adjustable stand system, allowing operators to raise or lower the cabinet working height to improve ergonomics during extended laboratory procedures. Adjustable-height biosafety cabinets may help reduce operator fatigue during repetitive tissue culture, microbiology, pharmaceutical, or animal handling workflows involving multiple users.

Because modified biosafety cabinets may vary significantly from standard factory configurations, buyers should carefully review photographs, dimensions, electrical requirements, and interior layout details prior to installation.

Laboratories outfitting complete containment workflows may also be interested in refurbished CO2 incubators, ultra-low freezers, autoclaves, and water baths available through American Instrument Exchange.

Baker SterilGARD III Advance SG403M Common Applications

The Baker SterilGARD III Advance SG403M modified biosafety cabinet may be used for laboratory procedures requiring sterile airflow and contamination control within customized workflow environments. Typical applications may include specialized tissue culture workflows, microbiology procedures, animal handling applications, pharmaceutical preparation, biotechnology research, biological sample handling, and workflow-specific containment procedures.

Depending on the modification package, this cabinet may also be appropriate for biotechnology laboratories, pharmaceutical production facilities, vivarium environments, hospital laboratories, academic research facilities, and specialized laboratory installations requiring non-standard containment configurations.

Baker SterilGARD III Advance SG403M Ideal Laboratory Environments

This biosafety cabinet may be suitable for biotechnology laboratories, pharmaceutical production environments, animal research facilities, academic research institutions, clinical diagnostics laboratories, cleanroom applications, and specialized laboratory environments requiring customized containment workflows.

Its compact 4-foot footprint, Baker containment airflow system, and modified configuration may make it especially appropriate for laboratories requiring additional workflow flexibility while conserving laboratory floor space.

Baker SterilGARD III Advance SG403M Key Specifications

Specification	Details
Manufacturer	Baker
Model	SterilGARD III Advance SG403M
Cabinet Class	Modified Class II containment platform
Nominal Width	4 ft
Airflow Design	HEPA-filtered laminar airflow

Work Surface Modification	Circular dumping port located in center of work surface
Exterior Dimensions	Approx. 54” W × 34” D × 61” H
Interior Work Area Dimensions	Approx. 46” W × 24” D × 28” H
Sash Opening	Approx. 10 in
Filtration	HEPA supply and exhaust filtration
Electrical Requirements	115V, 60 Hz
Included Accessories	Stand and new HEPA filters
Warranty	90-day warranty
Condition	Refurbished
Configuration	Modified / customized cabinet

Baker SterilGARD III Advance SG403M Refurbishment and Testing

American Instrument Exchange has extensive experience refurbishing used biosafety cabinets and laboratory containment equipment for research and pharmaceutical environments.

Each biosafety cabinet is inspected by our technicians to verify proper blower operation, airflow performance, sash operation, control operation, lighting operation, cabinet integrity, hydraulic lift operation, and overall system condition prior to shipment. Unless otherwise specified, new HEPA filters are installed at our facility before delivery.

Because modified biosafety cabinets may include non-standard features or workflow adaptations, buyers should confirm compatibility with their intended application prior to installation and certification.

Testing procedures include major functional and airflow verification elements associated with biosafety cabinet performance to help support certification readiness upon installation at your facility. Final certification should be completed by qualified field technicians after installation in accordance with laboratory requirements.

Baker SterilGARD III Advance SG403M Certification Readiness

Biosafety cabinets should be certified by qualified field technicians after installation and before laboratory use.

American Instrument Exchange performs functional testing prior to shipment to support certification readiness upon arrival. Buyers should confirm facility compatibility, airflow requirements, electrical requirements, and certification standards prior to installation.

Certification services are available throughout New England through AIE Laboratory Services, which provides biosafety cabinet certification, preventative maintenance, testing, repair, and field service support for laboratory containment equipment.

Because this is a modified biosafety cabinet, certification requirements may vary depending on the cabinet’s final configuration and intended laboratory application.

Baker SterilGARD III Advance SG403M Shipping and Installation Considerations

Biosafety cabinets are oversized laboratory containment systems that may require special handling during transportation, delivery, and installation. Buyers should confirm facility access dimensions, doorway clearances, elevator compatibility, electrical compatibility, and final cabinet placement before shipment.

Depending on the installation environment, liftgate delivery, inside delivery services, rigging assistance, or coordinated facility access may be recommended.

Baker SterilGARD III Advance SG403M Frequently Asked Questions

What does the “M” designation mean on the SG403M?

The “M” designation generally indicates that the cabinet has been modified from its standard factory configuration. Modifications may vary depending on the original laboratory application and could include customized work surfaces, pass-throughs, equipment integration, or workflow-specific adaptations.

What is the purpose of the circular dumping port in the work surface?

The circular dumping port may have been added for specialized workflows involving powder handling, waste transfer, process integration, or custom laboratory procedures. Buyers should verify that the modification is appropriate for their intended application before installation.

Does the dumping port affect biosafety cabinet certification?

Modified cabinets can still be certified, but certification should always be performed after installation to verify airflow performance and containment integrity based on the cabinet’s current configuration and intended use.

Does American Instrument Exchange replace HEPA filters before shipment?

Yes. Unless otherwise specified, American Instrument Exchange installs new HEPA filters before shipment. Cabinets are inspected and tested by our technicians prior to delivery to help support certification readiness after installation.

What testing does American Instrument Exchange perform during refurbishment?

American Instrument Exchange technicians inspect airflow systems, blower operation, sash functionality, cabinet controls, lighting systems, hydraulic lift operation, and overall cabinet condition prior to shipment.

Can American Instrument Exchange help coordinate biosafety cabinet certification?

Yes. Certification services are available for customers in New England through AIE Laboratory Services, which provides biosafety cabinet certification, preventative maintenance, repair, testing, and field service support for laboratory containment equipment.

Does the cabinet include a warranty?

Yes. A 90-day warranty from American Instrument Exchange is included.

Click Here to read a review of this product on our blog!

Testing Procedures for Used and Refurbished Biosafety Cabinets

Ensure Containment, Airflow Integrity, and Operator Safety

Used and refurbished biosafety cabinets (BSCs) from American Instrument Exchange are thoroughly tested to ensure they meet NSF/ANSI 49 performance standards for containment, airflow uniformity, and HEPA filtration. Each Class I, II, or III unit is evaluated through a series of specialized inspections and certifications, ensuring the cabinet performs reliably in research, clinical, and pharmaceutical lab environments.

Why Testing Used Biosafety Cabinets Is Essential

Before any biosafety cabinet is deployed in a working lab, it must be tested for:

• HEPA filter integrity and leak-free performance
• Inflow and downflow air velocity balance
• Containment efficiency and personnel protection
• Electrical system function and safety compliance
• Cleanliness and readiness for sterile applications

Proper testing of refurbished biosafety cabinets helps prevent cross-contamination, exposure to hazardous materials, and airflow disruption—critical for maintaining laboratory protocols. Our structured multi-point BSC testing protocol ensures dependable protection for operators, products, and the lab environment.

Key Testing Procedures for Refurbished and Used Biosafety Cabinets

1. Initial Visual Inspection

• Inspect exterior panels, window sashes, hinges, and seals for signs of wear or damage
• Confirm visibility and integrity of the viewing window
• Check power cords, display screens, and control interfaces for usability

2. Cabinet Decontamination and Cleaning

• Interior and exterior cleaned with non-corrosive disinfectants
• Decontamination protocols followed to remove biological contaminants
• Work surface, sidewalls, and return air grills are fully sanitized

3. HEPA Filter Integrity Testing (DOP/PAO Leak Test)

• Conduct aerosol challenge test using PAO or DOP to verify HEPA filter seal integrity
• Identify and resolve any filter leaks in accordance with NSF/ANSI 49 standards
• Ensure HEPA filters are correctly seated and uncompromised

4. Inflow and Downflow Velocity Testing

• Measure air velocities using calibrated thermo-anemometers
• Confirm inflow velocity meets requirements
• Verify downflow uniformity within the work zone to prevent turbulence and contamination

5. Airflow Smoke Pattern Testing

• Conduct visual smoke tests to demonstrate laminar airflow and containment
• Confirm that airflow barriers prevent cross-contamination and exposure

6. Electrical Safety and Alarm System Checks

• Inspect grounding, insulation resistance, and GFCI protection
• Test alarm functionality for sash position, airflow disruption, and power failure
• Verify interior lighting, outlets, and blower controls operate reliably

7. Final Certification and Quality Assurance

• Run full performance test cycle and confirm compliance with NSF/ANSI 49 and manufacturer specs
• Document data and generate a detailed service report

Guaranteed Performance from American Instrument Exchange

All refurbished biosafety cabinets from American Instrument Exchange are tested and verified to ensure maximum containment, user protection, and airflow performance. Whether used for microbiology, tissue culture, pharmaceutical compounding, or other work necessitating containment, our BSCs meet industry standards—so your team can work safely and confidently from day one.

Repair and Refurbishment Protocol for Used Biosafety Cabinets

Certified Protection and Performance from American Instrument Exchange

At American Instrument Exchange, every used biosafety cabinet (BSC) we offer is thoroughly repaired and refurbished to meet the highest standards for safety, airflow performance, and compliance. Whether it’s a Class I, Class II Type A2/B2, or Class III unit, we follow a meticulous refurbishment process to ensure your BSC provides reliable containment, sterile workspace conditions, and long-term durability.

Why Choose a Refurbished Biosafety Cabinet from American Instrument Exchange?

Fully tested and certified for airflow integrity and containment
Backed by warranty and performance guarantee
Cost-effective alternative to new biosafety cabinets
Environmentally responsible through expert reuse and restoration
Serviced by experienced technicians trained in NSF/ANSI 49 protocols

Step-by-Step Refurbishment Protocol

Every biosafety cabinet at American Instrument Exchange undergoes the following comprehensive multi-stage process to ensure it is lab-ready:

1. Initial Intake & Inspection

• Visual inspection of cabinet exterior, control panel, and sash mechanism
• Evaluation of hinges, seals, gaskets, and electrical components
• Missing parts or functional issues are documented for repair

2. Cleaning and Decontamination

• Full internal and external cleaning using non-abrasive, disinfectant-safe products
• Decontamination protocols followed to remove biohazardous or chemical residue
• Removable surfaces, work trays, and grilles are cleaned and sanitized

3. Mechanical and Electrical Repair

• Repair or replacement of worn components, including sash latches, lighting, and controls
• Electrical systems including switches, alarms, and outlets are tested and serviced
• Wiring is inspected and repaired to meet safety and performance standards

4. HEPA Filter Evaluation and Replacement

• Filters are tested for integrity using DOP/PAO aerosol challenge testing
• HEPA filters are replaced with OEM or equivalent filters
• Filter seals are verified for leak-free performance

5. Airflow and Performance Testing

• Inflow and downflow velocities are measured using calibrated instruments
• Smoke pattern testing confirms laminar airflow and containment effectiveness
• Blower motor function and airflow uniformity are verified across the cabinet

6. Safety System Verification

• Alarms for airflow disruption, sash height, and power loss are tested
• GFCI protection, lighting, and emergency shutoff systems are confirmed functional

7. Final Quality Control and Certification

• Performance testing is conducted to confirm NSF/ANSI 49 compliance (where applicable)
• Final visual inspection and cleaning performed prior to shipping
• Detailed service report and airflow test results provided with each unit

Trust the Experts at American Instrument Exchange

With over 50 years of experience in the lab equipment industry, American Instrument Exchange is a trusted name in refurbished biosafety cabinets. Our repair and refurbishment protocol ensures each cabinet provides dependable protection for personnel, products, and the environment—delivering maximum safety at a fraction of the cost of new.

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.