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 5895-01-396-7426
NSN 6610-01-521-4974
NSN 5905-01-528-3619
NSN 5935-01-173-0359
NSN 5965-00-071-0562
NSN 5999-01-089-6974
NSN 5999-00-165-9193
NSN 5945-00-203-1295
NSN 2925-01-197-7864
NSN 6105-00-020-3591
NSN 5925-01-095-8410
NSN 6150-01-317-4425