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 5925-00-269-2685
NSN 5905-00-704-9206
NSN 6620-01-479-2352
NSN 7035-01-485-0269
NSN 5985-01-073-1821
NSN 6145-01-610-7455
NSN 5835-01-610-5744
NSN 5998-01-321-1467
NSN 5920-01-118-5688
NSN 5905-01-022-7465
NSN 5975-01-204-4476
NSN 7035-00-931-9415