Fan Filter Unit: Cleanair™ Fan Filter Units are self-contained, motorized Supply Air Modules equipped with either HEPA or ULPA filters. Our FFU's can be used in either horizontal or vertical flow positions, wherever clean air is needed.

Fan Filter Unit (FFU) is air cleaning equipment to supply purified air to the clean room for manufacturing semiconductor, liquid crystal, etc. The installation space is the system ceiling grid. For a large clean room, the number of required FFU is from several hundreds to several thousands.