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 6110-01-580-3715
NSN 6620-01-370-6829
NSN 5960-01-460-5516
NSN 5975-01-306-0899
NSN 5910-01-494-6061
NSN 6150-00-202-9150
NSN 6620-00-075-2179
NSN 6645-01-494-3845
NSN 6685-01-027-3415
NSN 6685-01-390-0412
NSN 6650-01-145-5173
NSN 5855-00-472-2055