Backward Exhaust FAN
	Fan Size	Max Air Flow at Best Efficincy (CFM)	Static Pressure Range (in.w.g)	Sound Level (dB)	Fan Weight without Belt & Pully & Motor (kg)
	315	2400	0.5-6	60-85	66
	355	2800	0.5-6	60-85	81
	400	3400	0.5-6	60-85	98
	450	4200	0.5-6	60-85	111
	500	5500	0.5-6	60-85	140
	560	7000	0.5-6	65-90	189
	630	8000	0.5-6	65-90	228
	710	10000	0.5-6	65-90	282
	800	13000	0.5-6	65-90	343
	900	18000	0.5-6	65-95	397
	1000	23000	0.5-7	65-95	435