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 6130-01-201-7796
NSN 5835-00-917-7344
NSN 5910-00-198-9779
NSN 5895-01-265-4597
NSN 5920-00-901-1551
NSN 5945-01-317-2979
NSN 5996-01-441-6817
NSN 5920-01-268-0720
NSN 6650-01-384-7867
NSN 6130-01-199-6974
NSN 5925-01-233-9786
NSN 5945-00-077-0604