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 6110-01-359-5382
NSN 5930-01-422-1702
NSN 5999-00-996-7251
NSN 6220-01-465-3292
NSN 6105-01-060-5438
NSN 2925-01-618-5706
NSN 5895-01-067-8771
NSN 6105-00-707-5962
NSN 5835-01-279-8767
NSN 4140-00-459-1564
NSN 5950-00-821-2389
NSN 6135-00-488-4478