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 5915-01-529-6867
NSN 5910-01-105-8872
NSN 5895-00-450-3932
NSN 6650-01-428-9958
NSN 5965-01-482-8786
NSN 5960-01-233-7127
NSN 6150-01-076-4811
NSN 5990-01-095-8866
NSN 5996-00-036-5935
NSN 5925-00-269-2685
NSN 5999-01-533-3696
NSN 6620-00-292-7000