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 6150-01-396-2832
NSN 6220-01-568-6053
NSN 5915-01-272-9593
NSN 6105-00-812-6267
NSN 5910-01-360-5393
NSN 6145-00-281-8161
NSN 6620-00-992-5876
NSN 5835-01-512-4834
NSN 5960-00-199-6034
NSN 6320-00-857-4073
NSN 6135-00-416-2898
NSN 5998-01-386-6810