A replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. The removal of particles is accomplished by porous, fibrous or shredded material (metallic or non-metallic) which is loosely woven or matted, the shape of which may be maintained by stiffening or binding material. It is designed to fit into a filter element, air conditioning or for direct application to air conditioners, ventilation systems, hot air furnaces, and electrical and electronic equipment which have retaining devices. It may be furnished in custom size form or in a continuous length. Excludes filtering pad, air cooler; and filtering roll, air conditioning. Excludes bulk materials not specifically designed for filtering. See also insulation blanket, thermal; plastic material, cellular; rubber sheet, cellular.
NSN 5905-01-562-3224
NSN 5905-00-644-9983
NSN 5996-01-412-0813
NSN 5895-01-400-1564
NSN 6110-01-231-1047
NSN 5915-01-338-8273
NSN 5930-01-061-5889
NSN 6135-00-240-3200
NSN 5945-01-114-5055
NSN 5965-01-477-6665
NSN 5895-00-515-6368
NSN 6685-00-269-4895