Class II B2 Biological Safety Cabinet ADBS-503

Class II B2 Biological Safety Cabinet ADBS-503

Our Class II B2 Biological Safety Cabinet ADBS-503 has external dimensions of 1500 × 750 × 2250 mm, offering a space-efficient design It features a wide front window for easy access and efficient workflow during lab tasks. The fixed sash height provides a reliable safety barrier, ensuring consistent protection for the operator. Mounted on Footmaster casters, the unit allows easy movement and stable placement. Designed for toxic fumes, the Class II B2 Biological Safety Cabinet ensures full external exhaust for maximum safety.


External Dimension (W×D×H) 1500 × 750 × 2250 mm
Internal Dimension (W×D×H) 1350 × 600 × 660 mm
Max Opening Height 500 mm (20 inches)
Safety Sash Height 200 mm (8 inches)
Airflow System 0% recirculated air, 100% exhaust for contamination control
ULPA Filter Efficiency 99.9995% at 0.12 µm
Inflow Air Velocity 0.53 ± 0.025 m/s
Downflow Air Velocity 0.34 ± 0.025 m/s
Control System Advanced microprocessor system
LCD Display Shows filter pressure, lamp/filter life, inflow/downflow speed, work time
Front Window Motorized, laminated tempered glass with UV protection
UV Lamp 40 W × 1
Illuminating Lamp LED 16 W × 2
Illumination ≥1000 Lux
Waterproof Sockets 500 W
Exhaust Duct 4-meter PVC duct with a diameter of 300 mm
Work Surface Height 750 mm
Noise Level ≤ 67 dB
Work Surface Material Cold-rolled steel with anti-bacterial powder coating
Caster Footmaster caster
Power Consumption 1300 W
Power Supply AC 220V ±10%, 50/60 Hz
Box 1 Packaging Dimension (W×D×H) 1630 × 1000 × 1820 mm
Box 2 Packaging Dimension (W×D×H) 970 × 810 × 630 mm
Gross Weight 300 kg
  • Foot switch
  • Front window
  • UV lamp
  • LCD display
  • Waterproof socket

Class II B2 Biological Safety Cabinet ADBS-503 is used in labs handling hazardous materials, as it fully exhausts filtered air to ensure maximum user and environmental safety.

Illuminating Lamp

1 unit

UV Lamp 

2 unit

Base Stand

1 unit

Remote Control

1 unit

Foot Switch

1 unit

Exhaust Blower

1 unit 

Exhaust Duct

1 unit 

Drain Valve

1 unit

Waterproof Sockets 

2 unit

Pipe Strap

2 unit 

Water 

1 unit

Gas Tap

1 unit

Electric Height Adjustable Stand        1 unit

Class II B2 Biological Safety Cabinet ADBS-503 | External Dimension (W×D×H)	1500 × 750 × 2250 mm | Internal Dimension (W×D×H)	1350 × 600 × 660 mm
Class II B2 Biological Safety Cabinet ADBS-503 | Foot switch | Front window

Frequently Asked Questions of Class II B2 Biological Safety Cabinet ADBS-503

1. How does the airflow system in the Class II B2 Biological Safety Cabinet ADBS-503 ensure user safety?

The airflow system in the Class II B2 Biological Safety Cabinet ADBS-503 is engineered to offer maximum safety of the filtered air through an external ventilation system. This means that no air is recirculated inside the cabinet, reducing the risk of exposure to toxic fumes. The unidirectional airflow pattern and dedicated exhaust ensure consistent containment, making the unit suitable for procedures involving harmful substances that require stringent air control.

2. What maintenance is required to keep the Class II B2 Biological Safety Cabinet ADBS-503 operating safely?

To maintain optimal performance and safety, the Class II B2 Biological Safety Cabinet ADBS-503 requires regular maintenance, including routine cleaning, HEPA filter replacement, and airflow calibration. Users should monitor system status via the integrated LCD display, which provides alerts for low airflow. All internal surfaces should be disinfected after use, and the sash opening should be kept at the recommended height to maintain containment integrity.

3. What makes the Class II B2 Biological Safety Cabinet ADBS-503 ideal for high-risk laboratory environments?

The Class II B2 Biological Safety Cabinet ADBS-503 is designed for high-containment labs handling hazardous biological agents and toxic chemicals. Unlike Class II A2 cabinets, the ADBS-501 features a 100% exhaust system that channels all filtered air out through an external duct. This prevents air recirculation, ensuring high protection for the operator, product, and environment in BSL-2 and BSL-3 labs.

4. Where is the Class II B2 Biological Safety Cabinet ADBS-503 used, and why is it preferred in those settings?

The Class II B2 Biological Safety Cabinet ADBS-503 is used in microbiology laboratories and chemical research facilities. It is the preferred choice in environments where procedures generate hazardous aerosols. The full exhaust system prevents air recirculation, ensuring superior containment and reducing cross-contamination in critical safety applications.

5. What are the key features of the Class II B2 Biological Safety Cabinet ADBS-503?

The Class II B2 Biological Safety Cabinet ADBS-503 is equipped with several advanced features that enhance both safety and user experience. Its external dimensions offering a compact yet spacious working environment. The integrated LCD display allows users to monitor airflow, filter condition, and system performance in real time. This unit is mounted on Footmaster casters with brakes and leveling feet, enabling easy repositioning and secure installation.

6. What are Class II B2 Biological Safety Cabinets?

Class II B2 Biological Safety Cabinets are specialized laboratory enclosures designed to provide a high level of protection for operators, the environment, and products. They use a 100% exhaust system, filtering all air through HEPA filters before discharging it outside via hard-ducted ventilation. These designs ensures that no contaminated air is recirculated, making them ideal for use with hazardous chemicals and biohazardous agents.

7. How are Class II B2 Biological Safety Cabinet different from Class II A2 Biological Safety Cabinets?

While both Class II A2 and B2 cabinets provide protection for personnel, products, and the environment, the key difference lies in their airflow systems. Class II A2 cabinets recirculate 70% of filtered air into the work zone and exhaust 30% through HEPA filters. In contrast, Class II B2 cabinets exhaust 100% of filtered air externally with no internal recirculation. These makes B2 cabinets ideal for handling volatile chemicals requiring full exhaust.

Similar Products of Class II B2 Biological Safety Cabinet

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Class II A2 Biological Safety Cabinet

Class II A2 Biological Safety Cabinet ADBC-503
External Dimension (W×D×H):1800 × 755 × 2250 mm
Internal Dimension (W×D×H):1625 × 600 × 660 mm
Max Opening Height:500 mm (22 inches)
Class II A2 Biological Safety Cabinet ADBC-504
External Dimension (W×D×H):1300 × 750 × 2250 mm
Internal Dimension (W×D×H):1150 × 600 × 660 mm
Max Opening Height:420 mm (17 inches)
Class II A2 Biological Safety Cabinet ADBC-506
External Dimension (W×D×H):1950 × 800 × 2170 mm
Internal Dimension (W×D×H):1800 × 600 × 660 mm
Max Opening Height:400 mm (16 inches)
Class A2 Biosafety Cabinet ADBC-505
Velocity:0.27 to 0.025 m/s
Inflow Air Speed:0.38 to 0.025 m/s
Half Peak Amplitude:≤ 3µm
Class II A2 Biological Safety Cabinet ADBC-502
External Dimension (W×D×H):1500 × 750 × 2250 mm
Internal Dimension (W×D×H):1350 × 600 × 660 mm
Max Opening Height:500 mm (20 inches)
Class II A2 Biological Safety Cabinet ADBC-501
External Dimensions (W×D×H):1100 × 750 × 2250 mm
Internal Dimensions (W×D×H):940 × 600 × 660 mm
Max Opening Height:420 mm (17 inches)