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FFU- FAN FILTER UNIT | ||||||||
A fan filter unit (FFU) is a type of motorized air filtering equipment. It is used to supply purified air to cleanrooms, laboratories, medical facilities or micro-environments by removing harmful airborne particles from recirculating air. The units are installed within the system's ceiling or floor grid. Large cleanrooms require a proportionally large number of FFUs. Units often contain their own pre-filter, HEPA filter and internally controllable fan air distribution. |