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 5930-01-291-7836
NSN 5960-01-011-6358
NSN 6320-00-098-2858
NSN 5965-00-665-2156
NSN 5895-01-592-3100
NSN 6320-00-593-0379
NSN 5998-00-275-8070
NSN 5910-01-246-3627
NSN 5975-00-471-8431
NSN 5930-00-369-0954
NSN 5935-00-459-2275
NSN 5920-01-129-9724