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 6135-01-435-8451
NSN 6610-01-369-4212
NSN 6105-01-384-3687
NSN 5985-00-723-6740
NSN 2925-00-452-6403
NSN 6135-00-255-1340
NSN 6320-01-578-6006
NSN 5960-01-541-5734
NSN 6650-01-384-0529
NSN 6110-00-342-7433
NSN 5855-00-586-6255
NSN 5915-01-397-4030