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 6645-00-012-5834
NSN 5960-00-707-3335
NSN 5998-00-262-1694
NSN 6320-00-925-0558
NSN 5855-01-553-1162
NSN 6220-00-722-3151
NSN 2925-01-655-0562
NSN 6130-00-190-4115
NSN 6320-01-253-9585
NSN 6110-00-791-3951
NSN 5950-01-587-6906
NSN 5855-00-087-3144