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 5915-00-081-3929
NSN 5975-01-574-3740
NSN 6320-00-270-8222
NSN 6610-00-883-5160
NSN 5915-00-175-7095
NSN 5835-01-252-5879
NSN 5895-00-840-0861
NSN 5950-01-170-4834
NSN 5915-01-086-7921
NSN 2925-01-052-0636
NSN 6645-01-421-5765
NSN 5895-00-185-8627