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 6610-01-423-7481
NSN 5905-00-528-4058
NSN 4140-00-531-6696
NSN 6610-01-083-3826
NSN 6145-00-904-7563
NSN 6145-00-973-9202
NSN 6240-01-496-9946
NSN 6105-01-261-8028
NSN 5935-01-175-6083
NSN 6220-01-476-6895
NSN 5930-00-113-6852
NSN 6650-00-552-8377