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 6105-01-460-5496
NSN 6145-00-775-0786
NSN 5999-00-786-1782
NSN 6150-01-259-4633
NSN 5945-01-565-2885
NSN 5855-00-586-6255
NSN 5998-01-551-1382
NSN 2925-01-041-2360
NSN 6135-01-010-0891
NSN 6135-01-370-9441
NSN 6620-01-651-5402
NSN 6650-01-328-8363