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 5905-00-726-8693
NSN 6220-00-508-9155
NSN 6105-00-548-3547
NSN 6620-01-132-9678
NSN 6620-01-192-6186
NSN 5935-00-065-2037
NSN 7035-01-610-3833
NSN 6220-00-222-7426
NSN 5930-01-390-7730
NSN 5920-01-435-8953
NSN 5915-01-098-6998
NSN 6650-01-207-0829