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 5895-01-055-6235
NSN 5996-01-600-2856
NSN 5990-01-040-6358
NSN 5998-01-124-1556
NSN 4140-01-400-2706
NSN 5999-01-398-4173
NSN 5965-00-393-1294
NSN 5925-00-466-7308
NSN 6105-01-608-3974
NSN 5925-00-686-0555
NSN 6135-00-548-2765
NSN 5945-00-863-8108