Fan Filter Unit

Fan Filter Unit

A fan filter unit (FFU) is type of air filtering equipment. It is used to supply purified air to clean rooms or microenvironments by filtering out harmful airborne particles from recirculating air. The units are installed within the system’s ceiling. Large clean room require a proportionally large number of FFUs, Units often contain their own pre-filter, HEPA filter and internally controllable fan air distribution

Technical Specification

Cleanliness: Class 100 as per US FED STD 209E (IS 14644-1)

Velocity: 90FPM±20

Noise Level: 65db max

Power Supply: 230V, 1Ø, 50Hz

Particle Retention: 0.3 micron

Supply filter: Minipleat HEPA Filter efficiency 99.99% Down to 0.3µ H-14 Rating.

Pre Filter: Micro glass fibre media of EU-4 Rating

Blower Assembly: Centrifugal Blower statically and dynamically balanced with Suitable Rating

Dimension Table

Sterile Tech TM Model Number SFF 250 SFF 350 SFF 500 SFF 750 SFF1000
Capacity in CFM 250CFM 350CFM 500CFM 750CFM 1000CFM
Overall size (w x d) in Ft ,inches 18 x 18 2 x 2 3 x 2 4 x 2 4 x 2
Sterile Tech TM
Model Number
Capacity in
Overall size
(wxd) in Ft inches
SFF 250 250CFM 18 x 18
SFF 350 350CFM 2 x 2
SFF 500 500CFM 3 x 2
SFF 750 750CFM 4 x 2
SFF1000 1000CFM 4 x 2

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