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 6105-00-930-2653
NSN 6135-00-681-2702
NSN 2925-00-684-7708
NSN 2925-01-189-4272
NSN 6610-01-333-9543
NSN 5930-01-165-2986
NSN 5935-01-218-9334
NSN 6150-00-144-7115
NSN 5915-01-442-6711
NSN 6240-00-307-9650
NSN 5975-00-009-8718
NSN 6135-01-503-1688