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 6645-01-612-6885
NSN 6650-01-569-5643
NSN 5965-01-112-8758
NSN 5945-01-528-4749
NSN 6620-01-102-0008
NSN 6645-01-609-7365
NSN 5935-01-526-7964
NSN 6150-00-703-4138
NSN 6105-01-440-9860
NSN 5935-00-974-7010
NSN 5975-01-319-2691
NSN 5910-01-046-0386