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 6135-00-299-6918
NSN 6105-00-105-2443
NSN 5930-01-266-1298
NSN 5985-00-205-9568
NSN 5990-01-516-9665
NSN 5975-00-243-1278
NSN 4140-01-441-3613
NSN 5965-01-408-6218
NSN 6685-01-147-7305
NSN 5925-00-203-1278
NSN 6135-00-369-2368
NSN 4140-01-176-9929