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 5960-01-641-5493
NSN 5910-01-480-8375
NSN 5945-01-293-2175
NSN 5998-01-377-9127
NSN 4140-01-086-6536
NSN 5895-00-219-9992
NSN 6105-00-924-8944
NSN 5945-00-614-1556
NSN 5965-00-424-9636
NSN 6145-00-360-3874
NSN 6685-00-562-7902
NSN 5925-01-355-5528