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 5985-00-482-6767
NSN 5915-00-633-1217
NSN 5925-01-321-1617
NSN 5975-00-214-0369
NSN 5920-01-596-2792
NSN 6130-01-353-0965
NSN 5895-01-332-9205
NSN 6650-00-140-8776
NSN 6110-01-383-7520
NSN 5999-01-055-1907
NSN 5905-00-806-7909
NSN 6135-01-202-8113