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 5998-01-104-1324
NSN 5975-01-459-0536
NSN 5925-00-342-3637
NSN 5950-01-454-1379
NSN 6135-00-269-5843
NSN 5910-01-174-4500
NSN 6105-01-300-7594
NSN 5920-01-033-4891
NSN 5998-00-227-6905
NSN 5990-01-146-9126
NSN 5915-01-123-9369
NSN 5985-01-076-4710