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 5950-01-309-2341
NSN 6145-01-227-0659
NSN 5925-01-591-5017
NSN 5998-01-086-7795
NSN 5915-01-354-1092
NSN 5920-01-557-0616
NSN 6105-01-655-6488
NSN 6650-01-345-4306
NSN 5998-01-648-4410
NSN 5950-00-127-6218
NSN 6135-01-100-3593
NSN 6685-01-592-1877