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 5950-01-602-7346
NSN 6620-01-013-5432
NSN 6320-00-937-5625
NSN 6620-01-349-4469
NSN 6220-01-371-3430
NSN 5998-01-027-0771
NSN 5960-01-010-3083
NSN 5925-00-519-3657
NSN 5985-01-634-0635
NSN 5985-00-342-9140
NSN 6610-00-159-1110
NSN 5910-01-516-3787