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 6110-01-340-1984
NSN 5930-01-431-7016
NSN 6240-01-234-7893
NSN 6645-01-256-9696
NSN 6110-00-099-7113
NSN 6105-01-491-0771
NSN 6650-00-936-4571
NSN 5920-01-173-1014
NSN 5930-00-864-7045
NSN 5965-00-139-4870
NSN 6105-01-175-6031
NSN 5905-00-042-9451