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 6145-01-300-1568
NSN 2925-01-627-6568
NSN 4140-00-155-8012
NSN 5915-01-259-3385
NSN 4140-00-969-2073
NSN 6130-00-107-0414
NSN 5985-00-847-0828
NSN 5915-00-624-0168
NSN 5960-00-762-9260
NSN 6320-01-358-8069
NSN 6150-00-403-0498
NSN 6130-01-462-6084