99.953 Percent pure anhydrous. General all-purpose cleaner in aerosol form. Safe on plastics. For use on: connectors and contacts, fiber optics, semi-conductors, printed circuit boards, tape heads, light oils, office and medical equipment, relays, flux. Complies to California Air Resource Board VOC limits for electronics cleaners. Size: 16oz Aerosol. RoHS Compliant.