STANDARD SELECTION OF FILTERS

FILTER GRADE	FILTER SIZE IN MM	CASING TYPE	AIR FLOW CAPACITY in CFM	INITIAL PRESSURE DROP in mm WC	NUMBER OF PLEATS
Fine filter 95% efficiency @ 5 microns F5 Fine filter 95% efficiency @ 3 microns F7	610 x 610 x 300	Flange	2000	7	10
	610 x 610 x 150		1000	7	10
	510 x 510 x 150		675	7	8
	510 x 510 x 300		1700	12	8