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 6650-01-230-5155
NSN 6135-01-314-8416
NSN 6645-00-833-2395
NSN 6240-01-495-5354
NSN 5910-01-434-1309
NSN 6620-00-292-7000
NSN 6145-01-460-4217
NSN 6650-01-633-9147
NSN 6240-01-543-3930
NSN 5855-00-055-1579
NSN 5895-01-474-5209
NSN 5998-01-310-3844