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 6320-01-111-8851
NSN 6105-00-585-4634
NSN 5855-01-020-7982
NSN 6610-01-302-2073
NSN 6130-00-466-9888
NSN 6240-00-672-2759
NSN 5935-01-396-5448
NSN 5985-01-063-4001
NSN 5950-01-386-3075
NSN 6150-01-550-4147
NSN 5985-01-591-2260
NSN 5930-01-396-9242