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 4140-00-826-9031
NSN 6610-01-406-6696
NSN 6620-01-132-5190
NSN 5910-00-517-1080
NSN 6105-01-492-8957
NSN 5895-01-555-7098
NSN 6130-00-922-3587
NSN 6320-01-290-5271
NSN 6645-01-024-5261
NSN 6105-00-315-8694
NSN 6220-01-388-9011
NSN 6685-01-425-5966