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 6320-01-082-2970
NSN 6135-00-191-6444
NSN 7035-00-800-0770
NSN 5998-00-098-4019
NSN 5905-01-143-3985
NSN 5998-01-649-2699
NSN 6220-01-268-8795
NSN 6145-01-482-0078
NSN 6150-01-421-2543
NSN 5915-00-724-5458
NSN 6320-01-384-3850
NSN 7035-00-870-0290