30 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 6620-00-115-9050
NSN 6220-01-493-5148
NSN 5895-00-898-7910
NSN 6130-01-058-8823
NSN 5975-01-462-1417
NSN 5960-01-267-6139
NSN 5985-01-618-2888
NSN 5985-01-086-0434
NSN 6320-01-277-5793
NSN 5998-01-188-3351
NSN 6320-01-491-8786
NSN 5998-00-188-1789