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 6110-00-500-4914
NSN 5930-00-151-4787
NSN 6240-01-577-4740
NSN 5920-01-360-6674
NSN 2925-01-419-3805
NSN 5935-01-099-1662
NSN 5945-00-067-4458
NSN 4140-01-350-3277
NSN 5965-01-142-1807
NSN 5945-00-612-1598
NSN 6130-01-299-6394
NSN 5945-00-038-0667