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 5960-00-973-7882
NSN 5999-00-549-9955
NSN 6610-00-023-0076
NSN 4140-01-258-4046
NSN 5910-01-178-6893
NSN 6685-01-502-9028
NSN 6150-00-389-6771
NSN 5895-01-406-9662
NSN 5999-01-435-4607
NSN 6105-01-042-6633
NSN 5975-00-102-9639
NSN 2925-01-633-4048