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 5905-01-341-9706
NSN 5950-00-010-7686
NSN 6620-01-074-2722
NSN 2925-01-617-6302
NSN 6220-00-225-8345
NSN 5998-01-437-6941
NSN 7035-00-360-2008
NSN 6110-00-190-1260
NSN 5999-01-411-5135
NSN 2925-01-364-7926
NSN 5998-00-046-5568
NSN 5835-01-046-9615