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 5855-01-428-9456
NSN 5950-01-420-0828
NSN 5950-00-646-8793
NSN 5965-00-583-4865
NSN 5930-01-050-4787
NSN 5985-00-364-7835
NSN 6650-01-407-4653
NSN 6135-01-461-6521
NSN 5935-01-196-5823
NSN 6650-00-879-5834
NSN 5998-00-052-1715
NSN 6110-00-849-9930