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 5945-01-506-0353
NSN 6150-00-409-2378
NSN 6320-01-439-5264
NSN 5998-01-589-4090
NSN 5835-01-502-9228
NSN 6610-00-122-6625
NSN 6610-01-421-0732
NSN 5895-00-827-0240
NSN 5999-00-027-9476
NSN 5905-00-372-5214
NSN 6110-01-418-0802
NSN 6320-01-506-9439