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 5920-01-333-2376
NSN 6650-00-945-3098
NSN 5835-01-160-7282
NSN 5960-00-840-3656
NSN 5935-01-168-5997
NSN 6685-00-868-9080
NSN 5996-01-467-9391
NSN 6610-01-579-9038
NSN 6610-00-005-1847
NSN 5835-01-613-9485
NSN 5999-01-421-2367
NSN 5999-01-626-2282