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 7035-01-232-7263
NSN 5930-01-122-8163
NSN 5910-01-309-9664
NSN 5925-01-239-6743
NSN 5930-00-964-7363
NSN 5905-01-351-0685
NSN 5945-01-154-3594
NSN 5895-01-112-0532
NSN 5975-01-488-0082
NSN 4140-00-703-0738
NSN 6645-00-237-5945
NSN 5999-01-595-7116