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 5855-01-594-7809
NSN 5915-01-581-5234
NSN 5960-01-219-5504
NSN 5930-00-225-0963
NSN 5975-00-001-9329
NSN 5999-01-610-0439
NSN 6650-01-260-7427
NSN 5855-01-604-9605
NSN 6320-01-345-5817
NSN 5920-01-383-0300
NSN 5996-01-167-3922
NSN 5905-01-071-3789