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 5905-01-259-6988
NSN 5895-01-141-3050
NSN 5835-01-327-6324
NSN 5965-01-277-8589
NSN 5965-01-420-6613
NSN 5835-01-116-2369
NSN 6130-00-781-7486
NSN 5975-00-766-5044
NSN 5998-01-217-4593
NSN 5915-01-394-6438
NSN 5925-01-399-2313
NSN 7035-00-631-3782