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 5835-00-435-6638
NSN 5915-00-460-5713
NSN 5895-01-038-6867
NSN 5835-00-594-4921
NSN 5905-01-301-6908
NSN 5910-01-072-7424
NSN 6320-01-176-8367
NSN 6320-01-087-7961
NSN 6610-01-275-8382
NSN 6105-01-351-9008
NSN 5855-00-951-6483
NSN 7035-01-150-6303