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 5895-01-444-3921
NSN 6130-01-280-5113
NSN 6105-01-432-9869
NSN 6320-01-418-2611
NSN 5935-00-589-0829
NSN 6150-00-369-0376
NSN 6620-00-151-5363
NSN 5915-00-518-4656
NSN 5895-00-694-9285
NSN 6320-01-233-5798
NSN 6610-01-539-9084
NSN 5895-00-442-8702