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 5915-01-587-2913
NSN 5996-01-421-9391
NSN 5996-00-839-3270
NSN 5915-01-378-8804
NSN 5996-00-433-8371
NSN 6685-00-707-4842
NSN 5999-01-245-0419
NSN 5996-01-206-7130
NSN 6610-01-085-0804
NSN 6240-01-597-1611
NSN 5996-01-017-6762
NSN 5910-01-025-8870