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 6620-00-159-0866
NSN 6145-00-688-5697
NSN 5925-01-633-9434
NSN 5905-01-268-1535
NSN 5990-00-476-4336
NSN 5925-01-357-5560
NSN 6685-01-530-3718
NSN 5945-00-074-1434
NSN 5990-01-242-9653
NSN 5985-01-014-0038
NSN 5930-01-175-8373
NSN 6650-01-282-8015