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 5905-00-372-5214
NSN 6110-01-410-7637
NSN 6110-01-360-5661
NSN 6135-01-471-7325
NSN 7035-00-104-7613
NSN 5915-01-462-5900
NSN 5996-01-161-6296
NSN 6220-00-724-9986
NSN 6110-00-269-2696
NSN 6130-01-505-9798
NSN 5920-01-032-2133
NSN 5998-00-136-9359