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 5920-00-518-0839
NSN 5975-00-722-1954
NSN 5930-00-799-1494
NSN 5905-01-336-2237
NSN 5910-00-056-4491
NSN 6650-01-175-0841
NSN 6130-00-276-0658
NSN 6645-00-629-9367
NSN 5975-01-559-8238
NSN 6610-00-118-2436
NSN 5945-01-604-8977
NSN 4140-00-246-4969