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 5999-00-827-0703
NSN 6145-01-433-9079
NSN 5998-01-113-3666
NSN 6610-00-105-7270
NSN 6645-00-033-8714
NSN 5985-01-592-3368
NSN 5835-01-595-4099
NSN 5996-01-512-9275
NSN 5895-00-938-8473
NSN 5910-01-548-0427
NSN 6150-01-562-2362
NSN 6685-01-266-0333