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 5930-01-088-9605
NSN 6620-01-453-6764
NSN 5920-00-378-1395
NSN 6135-01-537-1234
NSN 6645-00-515-6148
NSN 6130-01-563-2875
NSN 6685-00-420-2781
NSN 5975-01-292-2293
NSN 6110-00-456-9506
NSN 7035-00-703-3535
NSN 5835-01-464-7038
NSN 5990-01-411-8548