40 to 50 pores per linear inch; black; all four corners rounded, .12 radius
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 6620-01-160-0439
NSN 5985-00-133-1827
NSN 5895-01-536-9977
NSN 6240-01-472-2579
NSN 5935-01-182-1647
NSN 6685-00-563-7475
NSN 6620-01-444-4048
NSN 6320-01-429-4279
NSN 6220-00-675-8262
NSN 6110-00-592-4040
NSN 5950-01-040-0560
NSN 6220-00-236-0588