bag in/bag out filter housing Silicone liquid sealing on doors Tested to ASME N510-1995 Prefilter part # 30/30, 24" X 24" X 24" Change out bag # 64C X 72 /3G Final filter Part # FA 1570A-01-01-08/09 Change out bag # 86C X 96/3G Manufactured by Camfill Job # K88543 needs 4' clearance for filter change