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 6130-01-529-8056
NSN 7035-00-283-3112
NSN 5925-01-123-7852
NSN 5905-01-458-6336
NSN 5945-00-220-2331
NSN 6685-01-179-3099
NSN 5910-01-633-9963
NSN 6135-01-086-8167
NSN 5945-00-102-9508
NSN 5996-00-172-7553
NSN 5835-00-624-1548
NSN 5905-01-370-6323