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 5835-00-764-4388
NSN 6240-01-059-3563
NSN 7035-00-079-7189
NSN 5975-00-240-2763
NSN 6145-01-062-2568
NSN 5998-01-257-4726
NSN 5975-01-143-3956
NSN 6240-01-345-4479
NSN 2925-01-363-1805
NSN 5975-00-557-4829
NSN 5925-00-686-3364
NSN 5905-01-308-0600