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 5895-01-018-8722
NSN 5985-01-352-0428
NSN 6135-01-461-2915
NSN 5855-01-371-1010
NSN 6610-01-037-9858
NSN 5905-01-632-0267
NSN 6130-01-444-9586
NSN 2925-01-149-2865
NSN 5985-00-407-0213
NSN 6130-01-219-5221
NSN 6110-01-381-1269
NSN 5999-00-275-0401