Description:A fan filter unit (FFU) is a of type of motorized air filtering equipment. It is used to supply purified air to cleanrooms,laboratories, medical facilities or microenvironments 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, which in some cases may range from several hundred to several thousand. Units often contain their own pre-filter, HEPA filter and internally controllable fan air distribution.
 
Spefication:

	Type 1	Type 2	Type 3	Type 4
External dimension	575X575X325	1175X575X325	1175X875X325	1175X1175X325
Air volume(m3/h)	520	1080	1800	2210
Air speed (m/s)	0.45m/s ± 20%
Cleanliness	Class 1-100 (the U.S federal standard209E )
HEPA	H 14~ U16 (99.99%@0.3u m~99.9999%0.12u m)
HEPA size	570X570X70	1170X570X70	1170X870X70	1170X1170X70
Noise (dB)	The test point is one meter below , speed 0.35m/s
Noise (dB)	<47dB	<53dB	<54dB	<55dB
Main body material	Stainless steel/zinc aluminum alloy/steel paint
Power (230VAC50HZ)	75w	120w	230w	230w
Weight	18Kg	35Kg	38Kg	41Kg

220 240V 50 60Hz FFU Fan Filter Laminar Flow Hood For Clean Room

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