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 5945-01-510-1796
NSN 5975-00-962-2199
NSN 5835-01-167-1824
NSN 5945-00-706-0828
NSN 5930-01-322-4518
NSN 7035-01-290-1447
NSN 5950-00-202-5861
NSN 5975-01-152-1266
NSN 5905-01-094-7374
NSN 6150-01-521-7227
NSN 6150-00-097-1391
NSN 5965-00-129-9779