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 5895-01-413-1923
NSN 6110-00-011-3711
NSN 6130-00-581-9322
NSN 5935-01-063-4400
NSN 6240-00-533-1493
NSN 5999-00-127-1542
NSN 5960-01-476-5686
NSN 6620-00-632-3631
NSN 6320-00-098-2858
NSN 5975-01-330-7353
NSN 5999-01-435-6568
NSN 6110-01-291-3356