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 5998-00-820-5818
NSN 6645-01-303-6792
NSN 2925-01-164-9579
NSN 7035-01-403-2841
NSN 5996-01-595-5830
NSN 5945-01-020-7897
NSN 5990-01-374-3877
NSN 7035-01-659-1927
NSN 6130-00-801-5359
NSN 5990-00-759-9305
NSN 6650-01-183-0711
NSN 6130-01-238-4390