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What is the difference between a biosafety cabinet and a fume hood?

April 26, 2017Biosafety Cabinet difference fume hood

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What is the difference between a biosafety cabinet and a fume hood?

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A biosafety cabinet is a movable cabinet with supply and exhaust filters that typically exhausts 30% of the air it takes in. It filters and recirculates the rest. A few of these cabinets exhaust to the exterior of the building. This type cabinet offers personal safety protection from contaminants in the hood, as well as product protection. A laminar flow cabinet typically offers product protection only. A fume hood is equipment built into the building structure to exhaust all contaminants to the exterior via a roof stack. It rarely has a filter.