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 6135-01-384-3915
NSN 6220-00-629-9271
NSN 5835-01-266-4382
NSN 2925-00-833-9466
NSN 6685-01-272-8465
NSN 6145-01-170-5286
NSN 6150-01-221-8565
NSN 6135-01-351-1131
NSN 6135-00-900-2139
NSN 5960-01-234-4388
NSN 6320-01-411-6610
NSN 5945-01-232-2788