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 5910-00-339-2198
NSN 5935-00-765-9619
NSN 6240-01-146-4839
NSN 5920-01-169-7888
NSN 6110-01-452-8337
NSN 5985-00-529-0093
NSN 6105-00-823-6506
NSN 5835-00-759-1109
NSN 6320-01-547-2743
NSN 5945-01-423-7966
NSN 6320-01-064-0372
NSN 5960-00-140-9583