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 5985-01-392-0926
NSN 6645-01-300-7611
NSN 6220-01-588-7988
NSN 5935-00-575-1198
NSN 6320-01-516-3836
NSN 4140-01-503-0034
NSN 6685-01-229-1258
NSN 5855-01-416-1527
NSN 6240-01-468-6408
NSN 6620-01-205-6608
NSN 4140-00-928-9097
NSN 5920-00-230-9128