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 5930-00-126-1668
NSN 5990-01-502-8209
NSN 5965-00-989-9345
NSN 6645-01-249-8435
NSN 5895-01-270-4499
NSN 6320-00-149-7570
NSN 6240-01-580-4951
NSN 6150-01-377-4037
NSN 5975-01-492-6399
NSN 6240-01-440-4632
NSN 6110-00-422-4973
NSN 6135-00-833-9909