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 6320-01-056-1164
NSN 6105-00-699-9186
NSN 7035-00-155-9513
NSN 6320-01-416-9357
NSN 5835-01-459-7428
NSN 5998-01-518-2946
NSN 5975-01-605-5457
NSN 6610-01-553-8004
NSN 5935-01-048-1186
NSN 5925-01-296-6699
NSN 6320-01-374-9924
NSN 5935-01-062-0705