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 5910-01-629-5519
NSN 5925-00-081-9135
NSN 6130-01-060-5298
NSN 6685-01-478-4387
NSN 6240-00-927-6002
NSN 6645-01-185-7684
NSN 5965-01-026-1752
NSN 6110-01-007-8137
NSN 5920-01-392-4407
NSN 6320-00-107-5291
NSN 5996-01-111-6962
NSN 5895-00-269-3848