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® G4 Class III Biological Safety CabinetLabculture® G4 Class II Type A2 Biological Safety Cabinet
Citations
(6)
Catalog NumberAC3 G4 Class III BSCLA2-S9-G4
Price
Class/TypeClass IIIClass II, Type A2
Air Inflow RateNominal Pressure Rate of -200 Pa (-0.8 in.w.g.)Inflow: 105 fpm (0.53 m/s) | Downflow: 70 fpm (0.35 m/s)
Size(s)4, 6 foot (1.2, 1.8 meter)3, 4, 5, 6, 8 foot (0.9, 1.2, 1.5, 1.8, 2.4 meter)
Recirculated/Exhausted AirDuctless or Exhausted with CanopyInquire
Exterior Dimensions(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		Depth x Height: 33.5 x 60.6 in for all width, plus 28 to 35 in stand height | Width selection: 42.1”, 52.8”, 64.8”, 76.8”, 99.2”
Interior Dimensions(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		Depth x Height: 24.5 x 26.4 in for all width | Width selection: 36.0", 48."0, 60.0", 72.0"
DescriptionThe 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		Esco Labculture A2 (LA2 / LR2) series BSCs are full-sized, high performance, biological safety cabinets, designed to provide maximum operator and product protection, with large work zone area, optimum user ergonomics, and following features:
  • Energy efficient DC-ECM Blower to provide stable
... Read More
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