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 6240-01-283-0404
NSN 5996-01-621-5041
NSN 6110-00-185-8147
NSN 5855-01-352-7033
NSN 5945-01-429-4029
NSN 6130-01-184-9216
NSN 6620-00-986-0747
NSN 5960-00-720-0615
NSN 5925-00-621-0134
NSN 6145-01-049-9292
NSN 6650-00-269-5000
NSN 5930-01-212-8939