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 5960-01-475-7428
NSN 5920-01-068-3135
NSN 5895-01-161-5926
NSN 5925-01-197-9899
NSN 5855-01-388-2424
NSN 5905-01-335-0576
NSN 5915-00-222-8186
NSN 5965-01-154-6319
NSN 6650-01-440-2605
NSN 5985-01-634-0635
NSN 5905-01-579-7610
NSN 6685-01-644-8773