Biological Safety Cabinet (Biosafety Cabinet)

Biological safety cabinets (biosafety cabinets) come in several classes (I, II, and III) that offer varying levels of protection from hazardous or contagious materials. For all classes of biological safety cabinet, the air is HEPA (high efficiency particulate air)-filtered before being released as exhaust. A Class I biosafety cabinet is designed to protect the user and the environment, not the sample as negative pressure is used to pull outside air in across the workspace.

Class II biological safety cabinets are divided into four subtypes (A1, A2, B1, and B2) and have the additional feature of protecting the sample as the air supply is HEPA-filtered before passing over the workspace. The Class II subtypes differ in the amount of recirculated air within the cabinet. Class III biosafety cabinets (also known as gloveboxes) provide maximum protection for work in biosafety level 4 containment labs. A class III biosafety cabinet is a hermetically-sealed glovebox with access through a dunk tank or double-door box that allows for decontamination.
CompanyEsco TechnologiesEsco Technologies
ItemAirstream® Class II, Type A2 (AC2) Biosafety CabinetAirstream® G4 Class III Biological Safety Cabinet
Citations
(23)
Catalog NumberAC2 /AR2AC3 G4 Class III BSC
Price
Class/TypeClass II, Type A2Class III
Air Inflow RateInflow: 105 fpm (0.53 m/s) | Downflow: 60 fpm (0.30 m/s)Nominal Pressure Rate of -200 Pa (-0.8 in.w.g.)
Size(s)3, 4, 5, 6 foot (0.9, 1.2, 1.5, 1.8 meter)4, 6 foot (1.2, 1.8 meter)
Recirculated/Exhausted AirInquireDuctless or Exhausted with Canopy
Exterior DimensionsDepth x Height: 29.7 x 55.1 in for all width, plus 28 to 35 in stand height | Width selection: 44.0, 56.0, 68.0, 80.0, 102.4 in(WxDxH) 72.0 x 32.4 x 62.2 in (1830 × 822 × 1580 mm) AC3-4B9 G4
96.1 x 32.4 x 62.2 in (2440 × 822 × 1580 mm) AC3-6B9 G4
Interior DimensionsDepth x Height: 22.8 x 26.0 in for all width | Width selection: 36.0, 48.0, 60.0, 72.0 in(WxDxH) 48.0 x 28.5 x 30.6 in (1220 × 724 × 777 mm) AC3-4B9 G4
72.0 x 28.5 x 30.6 in (1830 × 724 × 777 mm) AC3-6B9 G4
DescriptionEsco Airstream A2 (AC2 / AR2) series BSCs are compact-sized, low height, low energy, low noise biosafety cabinets, condensing the advanced safety and ergonomic features into a small footprint, and following features:
  • The most energy efficient BSC in market, with DC-ECM Blower to provide stable
... Read More		The Esco Airstream® Class III Biological Safety Cabinet (AC3) provides the highest level of operator, product, and environmental protection against Biosafety Hazard Levels 1, 2, 3, and 4.

Class III Biological Safety Cabinets are typically used for handling the most hazardous bioagents, including ... Read More
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