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 5920-00-159-8582
NSN 6645-01-597-2222
NSN 6685-01-430-9192
NSN 5835-01-501-0526
NSN 6150-01-153-9888
NSN 5998-01-259-4680
NSN 6135-00-686-4777
NSN 5985-01-428-7295
NSN 6240-01-219-8545
NSN 7035-01-192-2659
NSN 6685-01-054-3166
NSN 6620-01-451-3742