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 6130-00-480-3239
NSN 5895-00-313-2446
NSN 6685-00-212-4531
NSN 5855-00-107-7993
NSN 6105-01-651-4129
NSN 6110-01-431-4257
NSN 5920-00-958-1526
NSN 5996-01-414-8364
NSN 6135-00-484-8556
NSN 2925-01-068-3844
NSN 5905-01-190-9729
NSN 5910-00-802-2249