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 5985-01-100-2112
NSN 6105-00-635-9809
NSN 6645-01-420-2417
NSN 5950-01-226-6430
NSN 5925-01-253-6216
NSN 5999-00-113-9325
NSN 5975-01-541-8247
NSN 6105-01-234-3545
NSN 5935-00-697-3479
NSN 5905-01-494-8340
NSN 5985-01-563-6929
NSN 5965-01-437-0905