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 6610-01-487-6843
NSN 6650-01-290-4001
NSN 6135-01-494-3607
NSN 6110-01-415-5086
NSN 6110-00-583-3911
NSN 5990-01-175-2597
NSN 5950-01-360-0686
NSN 5930-01-345-3837
NSN 5990-00-226-7894
NSN 5930-01-556-7138
NSN 6650-01-136-9194
NSN 6150-01-032-2916