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 5835-01-085-5487
NSN 6685-01-350-4330
NSN 5835-01-537-1228
NSN 5960-01-089-8155
NSN 6620-00-908-7497
NSN 5950-01-581-7278
NSN 5910-01-364-1947
NSN 6610-00-775-6141
NSN 5835-01-278-4683
NSN 6620-01-012-2852
NSN 5905-01-371-6861
NSN 6645-01-180-6219