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 5930-01-131-2863
NSN 6320-01-406-6098
NSN 6645-01-324-1956
NSN 6145-01-092-1678
NSN 6150-01-040-5528
NSN 5985-01-353-3167
NSN 6150-00-862-9095
NSN 6320-01-129-9656
NSN 5895-01-312-9468
NSN 5945-01-228-3923
NSN 5960-01-585-6385
NSN 6650-01-055-6168