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 5965-00-807-9159
NSN 5999-01-319-2522
NSN 6610-01-645-7515
NSN 5905-00-256-1679
NSN 5925-01-441-5256
NSN 5915-01-432-2491
NSN 5935-01-417-5627
NSN 6150-01-080-4840
NSN 6320-00-456-0836
NSN 5835-01-550-5094
NSN 6220-01-570-6975
NSN 5998-01-297-2483