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 5935-01-499-2585
NSN 6650-01-626-0104
NSN 5925-01-355-6523
NSN 6685-00-180-0349
NSN 5855-01-416-8245
NSN 7035-01-104-4349
NSN 5905-01-371-5540
NSN 5975-00-783-8253
NSN 6150-01-230-8613
NSN 4140-01-436-5911
NSN 6685-01-577-2819
NSN 6150-01-106-3646