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 5945-01-127-1326
NSN 5960-01-442-9304
NSN 5975-00-014-0784
NSN 4140-00-332-5956
NSN 6610-01-356-7471
NSN 6240-01-249-2284
NSN 6240-01-550-3972
NSN 6110-00-484-2368
NSN 6620-01-459-6401
NSN 6145-01-602-9331
NSN 6610-01-492-9888
NSN 5998-00-004-5822