Skip to content
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

Labconco Purifier Horizontal Clean Bench 3873000

Fully Tested & Warrantied*
Brand : Labconco
Product Code : SKU 1643C CL BENCH

Shipping

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

Labconco Purifier 3873000 6' Horizontal Clean Bench

The Labconco Purifier 3873000 Horizontal Clean Bench provides a large ISO Class 5 work area for laboratories and production environments that need to protect nonhazardous samples, materials, and products from airborne particulate contamination. With a nominal 6-foot width, horizontal laminar airflow, HEPA filtration, and a stainless steel work surface, the 3873000 provides substantial working space for applications ranging from media preparation and plant tissue culture to medical device assembly and electronics inspection.

Available used and refurbished from American Instrument Exchange, the Labconco 3873000 offers laboratories a cost-effective alternative to purchasing a new horizontal laminar flow clean bench. Each unit is inspected and tested by AIE before shipment and includes a 90-day warranty.

Key Features

  • 6-foot horizontal laminar flow clean bench

  • Provides an ISO Class 5 work environment

  • 99.99% efficient HEPA filtration

  • Horizontal HEPA-filtered airflow across the work surface

  • 21-inch-deep interior work area

  • Type 304 brushed stainless steel work surface

  • Low-vibration, variable-speed blower motor

  • Differential pressure gauge for monitoring HEPA filter loading

  • Replaceable prefilters help extend HEPA filter life

  • Two utility ports for routing cords and tubing

  • 115 V, 60 Hz electrical configuration

  • Refurbished and tested by American Instrument Exchange

  • 90-day warranty included from American Instrument Exchange

Overview

The Labconco Purifier 3873000 is designed to create a particulate-controlled work environment for procedures in which product protection is required but personnel and environmental protection from hazardous materials is not.

Room air enters the clean bench through a prefilter that captures larger airborne particles. The air then passes through the unit's HEPA filter before being projected horizontally across the work area toward the operator. This continuous stream of filtered air helps sweep particulate contamination away from samples and materials within the clean work zone.

The 3873000 provides ISO Class 5 conditions within the work area, making it suitable for applications requiring a high degree of particulate control. Its approximately six-foot-wide interior also provides significantly more usable workspace than smaller benchtop clean benches, making the unit well suited for laboratories handling larger equipment, multiple containers, or workflows requiring several items to remain within the clean zone simultaneously.

Common Applications

The Labconco 3873000 can be used for a variety of nonhazardous laboratory, pharmaceutical, manufacturing, and quality-control procedures where protecting the product or sample from airborne contamination is the primary objective.

Typical applications include plant tissue culture, sterile media preparation, nonhazardous sample preparation, electronics inspection and assembly, syringe filling, medical device assembly, component inspection, and other procedures requiring a clean particulate-controlled work area.

Horizontal airflow is particularly useful when unobstructed HEPA-filtered air needs to move directly across the work surface and around the materials being handled.

Ideal Laboratory Environments

The Labconco Purifier 3873000 is a strong choice for research laboratories, biotechnology facilities, pharmaceutical laboratories, medical device manufacturers, electronics facilities, quality-control laboratories, university research facilities, and other environments requiring ISO Class 5 product protection.

Its six-foot width also makes it useful for laboratories that have outgrown smaller laminar flow hoods or need sufficient workspace for multiple pieces of equipment or larger assemblies.

Key Specifications

Specification Labconco Purifier 3873000
Equipment Type Horizontal laminar flow clean bench
Nominal Width 6 ft
Airflow Horizontal laminar flow
Cleanliness Classification ISO Class 5
HEPA Filter Efficiency 99.99%
Exterior Dimensions 74"W × 34"D × 48.4"H
Interior Dimensions 73"W × 21"D × 30.5"H
Work Surface Type 304 brushed stainless steel
Electrical Requirements 115 V, 60 Hz, 6 A
Lighting Fluorescent
Utility Access Two rear utility ports
Filter Monitoring Differential pressure gauge
Manufacturer Labconco
Model 3873000

Refurbishment & Testing

Used laboratory clean benches should be evaluated for both mechanical operation and airflow-system condition before returning to service. American Instrument Exchange inspects and tests refurbished Labconco clean benches prior to shipment, including evaluation of the blower, controls, lighting, work surface, and overall cabinet condition.

Filter condition and other configuration details may vary by individual unit. Contact AIE for information regarding the specific clean bench currently available, including filter status, accessories, stand configuration, and any other included components.

All refurbished Labconco 3873000 clean benches from American Instrument Exchange include a 90-day warranty.

Certification Readiness & Service

Proper airflow and HEPA filter performance are essential to maintaining the controlled environment expected from a laminar flow clean bench. After installation or relocation, the unit should be evaluated according to the laboratory's applicable protocols and operating requirements before being placed into critical service.

American Instrument Exchange works with AIE Laboratory Services to support laboratory airflow equipment throughout Greater Boston and New England. Service capabilities include airflow testing, HEPA filter evaluation and replacement, troubleshooting, preventative maintenance, and related laboratory equipment service.

Shipping & Installation

The Labconco 3873000 is a large six-foot laboratory clean bench and should be planned for accordingly before delivery. Laboratories should verify doorways, hallways, elevators, loading areas, and the final installation location before shipment.

AIE can assist customers with freight coordination and provide dimensional information needed to plan delivery and installation. Contact American Instrument Exchange before ordering if your laboratory has restricted access or other installation considerations.

Related Equipment

Laboratories considering the Labconco 3873000 may also want to explore other clean benches and laminar flow hoods available from American Instrument Exchange.

For applications requiring personnel, product, and environmental protection from biological hazards, AIE also carries refurbished biosafety cabinets from Labconco, Thermo Scientific, Baker, Nuaire, and other major manufacturers.

AIE also stocks complementary laboratory equipment including CO2 incubators, laboratory refrigerators, laboratory freezers, and centrifuges.

Clean Bench vs. Biosafety Cabinet

A horizontal clean bench and a biosafety cabinet serve fundamentally different purposes. The Labconco 3873000 is designed primarily for product protection. HEPA-filtered air travels horizontally from the rear of the cabinet, across the work surface, and toward the operator.

Because air from the work area is directed toward the user, the 3873000 should not be used for procedures involving infectious agents, hazardous biological materials, harmful aerosols, hazardous chemicals, or materials that require personnel or environmental containment.

Laboratories working with biological hazards should instead consider an appropriate Class II biosafety cabinet. For nonhazardous procedures where sample cleanliness and particulate control are the primary concerns, a clean bench or laminar flow hood may be the appropriate solution.

Labconco Purifier 3873000 Frequently Asked Questions

Is the Labconco 3873000 a biosafety cabinet?

No. The Labconco 3873000 is a horizontal laminar flow clean bench designed to protect nonhazardous products and samples from particulate contamination. It does not provide the personnel and environmental protection associated with a Class II biosafety cabinet.

What level of air cleanliness does the Labconco 3873000 provide?

The clean bench is designed to provide ISO Class 5 conditions within the work area using HEPA-filtered horizontal airflow.

What is the working width of the Labconco 3873000?

The 3873000 is a nominal 6-foot model with an approximately 73-inch-wide interior work area, providing substantial space for sample preparation, assembly, inspection, and other clean-work applications.

Does the Labconco 3873000 protect the operator?

No. The airflow is directed horizontally across the work surface toward the operator. The clean bench is therefore intended for product protection rather than operator protection and should not be used for infectious, hazardous, or aerosol-generating materials.

What electrical service does the Labconco 3873000 require?

Model 3873000 operates on 115 V, 60 Hz power and is rated at 6 amps.

Does American Instrument Exchange test refurbished clean benches?

Yes. American Instrument Exchange inspects and tests refurbished laboratory clean benches before shipment. Specific filter condition, accessories, and configuration can vary by individual unit, so customers should confirm these details with AIE when requesting a quote.

Does the Labconco 3873000 include a warranty?

Yes. This refurbished Labconco Purifier 3873000 includes a 90-day warranty from American Instrument Exchange.



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.