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 6220-01-453-6330
NSN 5996-01-035-8219
NSN 5996-01-544-4811
NSN 6130-01-397-5472
NSN 5999-01-370-4184
NSN 5935-01-140-8113
NSN 6610-01-267-1918
NSN 5915-00-914-3389
NSN 6110-01-534-4567
NSN 5925-01-552-1182
NSN 6105-01-062-2122
NSN 6150-00-764-1943