12 pores per linear cm
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 2925-01-425-7087
NSN 5950-01-316-3440
NSN 5905-01-142-2894
NSN 6145-01-177-1842
NSN 6130-01-563-0031
NSN 6220-01-098-4317
NSN 6620-01-480-3407
NSN 5910-00-692-7865
NSN 6620-00-261-5396
NSN 5960-01-173-7956
NSN 6145-01-610-5486
NSN 6135-01-142-6456