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 5945-01-462-1222
NSN 6150-01-462-4896
NSN 5925-00-988-6837
NSN 4140-01-371-4525
NSN 5920-01-032-4756
NSN 6240-00-334-6766
NSN 6135-01-493-8375
NSN 6610-00-116-5725
NSN 6320-00-445-1187
NSN 5930-01-450-6090
NSN 5985-01-605-4694
NSN 5960-01-205-0386