1 large air flow 2 electricity saving 3 low noise 4 waterproof 5 prevent pets from getting into fan

This series fan is especially fit for ventilation,as in ventilating a granary.The blind flange can bewaterproof and dust-proof. It also can prevent pets from getting into an air passage. 

 The main technical parameters

No.	Output (Kw)	Speed(r/min)	Flow(cbm/h)	Pressure(Pa)	Noise dB(A)
FC-01	0.37	2800	790	760	<73
FC-02	1.1	2840	1600	1300	<78
FC-03	1.5	2840	2000	1400	<85
FC-04	2.2	2840	2300	1400	<85
FC-05	3	2900	3010	1710	<85
FC-06	4	2900	4000	1960	<88

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exhaust air blower