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 5910-00-439-3785
NSN 6145-01-111-7713
NSN 6150-01-225-6247
NSN 6150-00-559-4709
NSN 6685-01-317-1569
NSN 6130-00-324-8430
NSN 5975-00-518-0780
NSN 5985-01-273-9822
NSN 6645-01-411-5657
NSN 5965-01-316-4429
NSN 5920-01-429-2649
NSN 5935-01-441-2541