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 6620-01-128-3053
NSN 5855-01-555-3354
NSN 6610-01-206-5278
NSN 5985-00-242-4305
NSN 5905-00-199-4249
NSN 6320-00-242-3300
NSN 5975-00-785-9288
NSN 5999-01-647-9814
NSN 5930-00-203-2080
NSN 5985-00-253-4708
NSN 5998-01-271-9932
NSN 5915-00-777-4296