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 5985-01-338-8574
NSN 6220-01-431-7319
NSN 6650-00-987-5070
NSN 5998-01-347-0902
NSN 6240-00-243-8336
NSN 5965-01-503-3960
NSN 5960-00-222-7772
NSN 5996-00-019-0780
NSN 5930-01-393-0651
NSN 6220-01-537-0129
NSN 5999-00-005-1182
NSN 5935-00-394-9903