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 6145-00-903-4619
NSN 6105-01-245-8932
NSN 5945-01-634-0588
NSN 6105-01-104-5214
NSN 7035-00-727-4068
NSN 6130-01-544-9193
NSN 6150-01-534-4327
NSN 5910-01-154-6002
NSN 6650-01-030-5545
NSN 5930-01-132-3959
NSN 5930-00-015-1539
NSN 5965-01-313-6569