20 pores per linear inch
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 5925-01-282-4406
NSN 7035-01-633-9537
NSN 6145-00-360-7760
NSN 6145-01-228-3355
NSN 5965-01-461-2850
NSN 5910-01-171-1499
NSN 5998-01-534-7904
NSN 4140-01-416-9580
NSN 6220-01-566-7503
NSN 5960-01-322-7820
NSN 5910-01-367-2738
NSN 6240-01-102-4861