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 5905-00-757-7269
NSN 5935-01-418-1014
NSN 6105-01-139-4778
NSN 5985-01-031-8914
NSN 5930-00-718-7075
NSN 6220-00-394-5762
NSN 5930-01-659-9526
NSN 6135-01-388-2761
NSN 5975-01-268-1529
NSN 5935-00-130-2599
NSN 6105-01-011-8072
NSN 5950-01-213-1916