Airstream® Class II Type B2 (Total Exhaust) Biological Safety Cabinets

Airstream® Class II Type B2 (Total Exhaust) Biological Safety Cabinets

View Other Class II Type B2 Biological Safety Cabinets

  • The best value of any Type B2 (Total Exhaust) Biological Safety Cabinet in the industry.
  • Less energy consumption and heat output than competing products.
  • The angled front, narrow profile front grille, raised armrest and frameless sash create an ergonomic work environment.
  • Single-piece stainless steel internal work zone eliminates welded joints where contaminants may accumulate.
  • Dual-wall construction surrounds the work zone with negative pressure plenums for maximum safety.
  • Fail-safe system ensures that in case of exhaust failure, the cabinet’s main fan automatically shuts down to ensure safety to the user.
  • Unique Esco Dynamic Chamber™ plenum design delivers quiet, uniform airflow.
  • Long life ULPA (per IEST-RP-CC001.3) supply filter and HEPA exhaust filter for airflow.
  • Esco Sentinel™ microprocessor supervises all cabinet functions.
  • Esco ISOCIDE™ antimicrobial coating on all painted surfaces minimizes contamination.
Model No. External Dimensions (mm) without base stand
W x D x H
External Dimensions (mm) with base stand
W x D x H
Internal Dimensions (mm) W x D x H Airflow Velocity (Inflow) Airflow Velocity (Downflow) Electrical
AB2-3S1 1035 x 811 x 1460 1035 x 811 x 2171 970 x 585 x 670 0.53 m/s
(105 fpm)
0.33 m/s
(65 fpm)
220-240V,AC, 50Hz,1ø
AB2-3S2 110-120,AC, 60Hz,1ø
AB2-3S3 220-240,AC, 60Hz,1ø
AB2-4S1 1340 x 811 x 1460 1340 x 811 x 2171 1270 x 585 x 670 0.53 m/s
(105 fpm)
0.33 m/s
(65 fpm)
220-240V,AC, 50Hz,1ø
AB2-4S2 110-120,AC, 60Hz,1ø
AB2-4S3 220-240,AC, 60Hz,1ø
AB2-5S1 1645 x 811 x 1460 1645 x 811 x 2171 1570 x 585 x 670 0.53 m/s
(105 fpm)
0.33 m/s
(65 fpm)
220-240V,AC, 50Hz,1ø
AB2-5S2 110-120,AC, 60Hz,1ø
AB2-5S3 220-240,AC, 60Hz,1ø
AB2-6S1 1950 x 811 x 1460 1870 x 811 x 2171 1870 x 585 x 670 0.53 m/s
(105 fpm)
0.33 m/s
(65 fpm)
220-240V,AC, 50Hz,1ø
AB2-6S2 110-120,AC, 60Hz,1ø
AB2-6S3 220-240,AC, 60Hz,1ø

Esco offers a variety of options and accessories to meet local applications. Contact Esco or your local Sales Representative for ordering information.

Support Stands

  • Fixed height, available 711 mm (28") standard size or 864 mm (34"), ±38.1 mm (1.5")
    • With leveling feet
    • With casters
  • Telescoping height stand for leveling feet, nominal range 660 mm or 960 mm (26” or 37.8”)
  • Telescoping height stand for casters, nominal range 660 mm or 880 mm (26” or 34.6”)
  • Adjustable in 25.4 mm (1”) increments

Electrical Outlets and Utility Fixtures


  • Electrical outlet, ground fault, North America
  • Electrical outlet, Europe / Worldwide
  • Petcock (air, gas, vacuum)
    • North America (American) style
    • Europe / Worldwide style DIN 12898, DIN 12919, DIN 3537

Cabinet Accessories


  • Germicidal UV lamp
    • Controlled by automatic UV lamp timer through Sentinel® microprocessor control panel
    • Emission of 253.7 nanometers for most efficient decontamination
    • Lamp is positioned away from operator line of sight for safety and proper exposure to interior surfaces.
  • PVC armrest
    • Chemically treated, improves operator comfort, easy to clean.
  • Ergonomic lab chair
    • Laboratory grade construction, meets Class 100 cleanliness; alcohol resistant PVC materials
    • Adjustable height 395-490 mm (15.6"-19.3")
  • Ergonomic foot rest
    • Angled, helps maintain proper posture
    • Adjustable height
    • Anti-skid coating, chemical resistant finish
  • IV bar, with hooks
    • Stainless steel construction
    • Available for all standard Esco cabinets
  • Microscope viewing device
    • Mounting and viewing pouch integrated into sash. Factory installed; specify when ordering.
  • Anti Blowback Valve
    • Prevents flow from the facility HVAC system into the Esco product.
  • Air Tight Damper
    • Seals the Esco product from the facility HVAC system during decontamination.