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 5925-00-205-2767
NSN 2925-01-368-5773
NSN 5990-00-024-9985
NSN 6150-00-999-2317
NSN 5950-01-310-3713
NSN 5999-01-542-3346
NSN 5985-01-443-3287
NSN 5996-00-905-5729
NSN 6130-00-301-1185
NSN 5920-00-265-0003
NSN 5855-00-411-8688
NSN 6150-01-187-8473