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 6105-01-182-9604
NSN 5935-01-426-2049
NSN 6650-01-139-5238
NSN 5998-00-492-0785
NSN 5855-01-152-8782
NSN 7035-01-356-4025
NSN 5895-01-391-9753
NSN 5998-00-888-9887
NSN 5835-01-371-8759
NSN 5925-00-236-9000
NSN 5998-01-494-4199
NSN 6645-00-409-2168