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 5965-01-087-6217
NSN 6645-01-127-0039
NSN 5975-00-153-0050
NSN 5935-00-505-9076
NSN 5950-00-804-6840
NSN 5975-01-545-0596
NSN 4140-01-468-5962
NSN 5999-00-336-3237
NSN 6685-00-078-0098
NSN 5996-01-605-3377
NSN 4140-01-585-4517
NSN 6220-01-211-7025