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 5985-01-086-1209
NSN 6220-01-462-5886
NSN 5935-01-198-8998
NSN 4140-01-285-8753
NSN 5855-00-688-9954
NSN 5855-01-348-4623
NSN 5965-00-419-9590
NSN 6650-00-111-1081
NSN 5945-01-578-0282
NSN 7035-01-421-7159
NSN 5960-01-503-0362
NSN 5915-01-191-5334