... not easy fall off 2.air compressor air filter cartridge 3.high efficiency air filter 4.ISO9001 5.response within ... compressed station, esspecially for centrifugal ,screw, vane air compressor.1.air compressor2.refrigeration compressor3.dust collector4.food manufacturing5 ... 80um, 100um, 160um, 180um, 280um...2.low pressure under 1.3Mpa3.different size.4.filter material: SS, fiberglass, filter paper ...