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 6685-01-451-4796
NSN 5905-01-096-4334
NSN 5895-01-633-1472
NSN 5925-01-302-5667
NSN 5915-01-357-1785
NSN 5855-01-420-4988
NSN 6150-01-366-8204
NSN 7035-00-064-7008
NSN 5905-01-110-8672
NSN 5915-01-423-4642
NSN 4140-00-252-0879
NSN 6645-01-462-2101