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 6150-01-109-1419
NSN 6650-00-552-8377
NSN 5915-01-126-8226
NSN 5975-01-060-9629
NSN 6685-01-135-8496
NSN 6145-01-514-7305
NSN 4140-01-380-5371
NSN 6150-00-164-4057
NSN 5990-01-302-3733
NSN 5965-01-205-6249
NSN 5990-01-512-9129
NSN 6110-00-316-5450