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 5945-01-026-9953
NSN 5960-00-521-9719
NSN 5985-01-425-2951
NSN 5835-01-116-2369
NSN 5915-00-752-4458
NSN 5996-00-587-7311
NSN 6150-00-904-3326
NSN 5935-01-151-7428
NSN 5945-00-619-1542
NSN 6130-01-385-9317
NSN 5855-01-050-4944
NSN 5996-01-644-3596