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 5998-01-347-4046
NSN 5960-00-056-2968
NSN 6145-01-137-9740
NSN 6130-01-116-2100
NSN 4140-01-406-0541
NSN 6145-00-403-9458
NSN 5920-00-584-4592
NSN 6150-01-295-5951
NSN 4140-00-577-3512
NSN 5855-00-189-6066
NSN 5925-01-603-8721
NSN 5965-01-414-2257