Prema PLOS-16 Innerliner Overbuff Sealer In Screw-Top Can 16oz. Designed to restore air retention qualities to the buffed innerliner around the repair after installations. It can be used in both COLD and HOT vulcanizing systems. Contains no ozone depleting chemicals. Manufacturer Part Number: PLOS-16 Features 16 oz. Prema innerliner overbuff sealant Used on buffed innerliner around the repair after installation Can be used in cold and hot vulcanizing systems Contains no ozone depleting chemicals .