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 5835-00-993-0040
NSN 5895-01-582-1402
NSN 6150-01-139-0280
NSN 5945-01-156-4628
NSN 5945-01-607-4384
NSN 5950-00-272-2557
NSN 6650-01-012-3290
NSN 5950-00-290-5890
NSN 5960-01-224-7151
NSN 6130-00-399-0729
NSN 5985-00-019-6317
NSN 6135-01-433-2062