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 5895-00-070-9784
NSN 5915-01-504-6581
NSN 6110-01-098-8273
NSN 5965-01-136-7970
NSN 6135-01-495-0933
NSN 6320-00-405-2348
NSN 6135-01-657-0554
NSN 6110-01-107-2690
NSN 6130-00-072-9854
NSN 5925-00-595-9394
NSN 5835-01-459-8664
NSN 5998-00-049-3472