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 6145-00-583-9989
NSN 6105-01-242-4759
NSN 5999-01-373-1680
NSN 5999-01-141-0073
NSN 2925-00-907-2709
NSN 5960-00-556-2621
NSN 2925-00-261-5800
NSN 5920-01-462-1950
NSN 5930-00-847-4596
NSN 5996-01-371-6804
NSN 5998-00-316-6141
NSN 5925-01-200-6825