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 6220-01-186-4500
NSN 5910-00-067-4415
NSN 5965-00-106-3195
NSN 5950-01-348-3022
NSN 6150-01-520-3614
NSN 5855-00-149-0766
NSN 6220-00-960-7591
NSN 6110-01-240-2180
NSN 6620-01-181-1757
NSN 5915-01-566-3494
NSN 6105-01-103-8426
NSN 5945-01-496-1023