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 6645-01-210-2223
NSN 7035-01-042-5308
NSN 6240-00-994-4056
NSN 6105-01-326-8985
NSN 6320-01-449-1014
NSN 5950-00-943-8300
NSN 6150-00-322-9432
NSN 5895-01-512-9637
NSN 7035-00-349-8571
NSN 5945-01-314-7245
NSN 6320-00-937-5625
NSN 6320-01-378-6191