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 5985-01-157-4649
NSN 5950-01-596-5415
NSN 5905-01-323-4811
NSN 6105-01-173-6972
NSN 6145-01-296-8198
NSN 6685-01-013-3265
NSN 2925-00-087-2465
NSN 5895-00-538-7929
NSN 6135-00-985-7846
NSN 5895-01-356-3421
NSN 6220-01-091-9103
NSN 5855-00-411-8688