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 5895-01-415-6326
NSN 6220-00-578-6539
NSN 5985-00-834-2521
NSN 5895-01-528-4472
NSN 5960-01-597-9591
NSN 6610-01-496-5325
NSN 7035-00-349-8571
NSN 5915-01-366-3964
NSN 5998-01-274-6612
NSN 5835-00-827-1904
NSN 5920-01-235-6477
NSN 5999-01-514-0083