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 5905-01-212-9487
NSN 5910-00-369-9707
NSN 5855-00-427-7848
NSN 6130-01-066-1332
NSN 5935-01-014-6648
NSN 6150-01-317-4681
NSN 5975-01-550-6647
NSN 5996-00-040-9094
NSN 6220-01-211-7025
NSN 5945-01-147-1632
NSN 5945-01-105-3920
NSN 6130-01-477-5571