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FFU Fan-Filter Unit

FFU is the simplest purifying equipment consisting of fan and HEPA filter, and the most basic type in air purifying equipment. Due to the one-to-one correspondence between HEPA filter and fan, a negative pressure area is formed outside the unit case to enable negative pressure sealing function. FFU may be used separately or in combination to achieve higher cleanness easily. FFU makes the design of clean room easier and more reliable. FFU, characterized by low energy consumption, low noise and low operating cost, is widely applied to unidirectional flow and turbulent flow clean room and working station, unidirectional flow hood, clean booth and local purifying equipment in micro-electronics, electronics, optics, bioengineering and other industries.

Standard size & parameters

Model	Overall size L×W×H	Air Volume  (m3/h)/(m/s)	Initial resistance (Pa)		Noise  (dB)	Power  (kW)
			Efficiency(H14)  0.3µm=99.995%	Efficiency(U15) 0.1µm=99.9995%
LFFU10-117.57	1170×570×350	1000/0.45	100	160	57	0.18
LFFU15-117.87	1170×870×350	1500/0.45			60	0.25
LFFU20-117.117	1170×1170×350	2000/0.45			63	0.37

Note: H14 HEPA filter is 90mm thick and U15 ULPA filter is 70mm thick in the table.