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 5925-01-092-8209
NSN 5985-01-468-3206
NSN 2925-00-542-8285
NSN 5999-01-634-0576
NSN 5920-00-384-8926
NSN 6240-01-444-1673
NSN 6130-01-571-2261
NSN 5985-01-610-9377
NSN 5985-00-794-1358
NSN 5950-01-605-3104
NSN 5920-01-480-2378
NSN 6150-01-306-7408