The University of Iowa

SAFETYmatters - Chemical Fume Hood vs. Biological Safety Cabinet

Many labs have both a fume hood and a biosafety cabinet within their space. It is critical for lab personnel to understand the difference between the two pieces of safety equipment.

  Chemical Fume Hood Biological Safety Cabinet
Use for hazardous chemicals Yes No
Use for infectious biologicals No Yes
Exhausts outside building Yes Class II B Only
Has a HEPA filter No Yes
Protects the sample No Yes
Protects the user Yes Yes
Must be certified annually Yes Yes
Certified/maintained by UI staff Yes No
Certified/maintained by outside vendor No Yes
Moveable piece of equipment No Yes; after decontamination
Typical base Storage Cabinets Table Legs
Typical stance for use Standing Sitting
Alternate name Hood BSC, Tissue Culture Hood

 

Chemical Fume Hood

Chemical Fume Hood

 

Biological Safety Cabinet

Biological Safety Cabinet