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 5975-00-125-0681
NSN 6220-01-401-5337
NSN 6320-01-322-8340
NSN 6645-01-475-4723
NSN 5990-01-442-3520
NSN 6650-00-583-1735
NSN 5999-00-164-2981
NSN 6145-01-522-6442
NSN 5935-01-044-7177
NSN 6645-01-376-2336
NSN 5975-01-423-8910
NSN 2925-01-608-1888