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 5925-01-170-2306
NSN 5975-00-001-9329
NSN 7035-01-553-1460
NSN 5975-01-432-2465
NSN 5999-00-827-0703
NSN 5945-01-623-7999
NSN 6645-01-549-0935
NSN 5835-01-447-2544
NSN 5965-00-258-6809
NSN 5998-01-464-3669
NSN 6150-00-860-9877
NSN 5996-01-395-6608