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 6130-00-151-5001
NSN 5920-00-860-0456
NSN 5895-00-505-7453
NSN 2925-00-183-4390
NSN 5935-01-076-4613
NSN 6620-01-158-7309
NSN 5835-01-553-6772
NSN 6240-00-449-6003
NSN 5915-01-373-1708
NSN 5895-01-195-4844
NSN 6645-01-247-4549
NSN 5835-00-236-5034