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 5935-01-381-5791
NSN 6105-01-474-5246
NSN 5930-01-201-2951
NSN 5895-00-855-3161
NSN 6150-01-657-9913
NSN 5915-00-155-4766
NSN 5965-01-073-4758
NSN 5905-01-430-4279
NSN 6320-00-174-1362
NSN 5965-01-172-5724
NSN 6240-01-322-4887
NSN 6685-01-254-5658