Aquagard; II Alumi-Koat Spray - 12oz - ClearAquagard Alumi-Koat is the only TRUE CLEAR ANTI-FOULING aerosol approved by the U.S. EPA on the market today! For use on Outboards & Lower UnitsCreates invisible barrier to stop slime build-up, barnacle & marine growthFor use on aluminum & other non-ferrous materialsThe ONLY clear anti-fouling paint lets you keep your lower unit the same colorEasy application, requires less prep work U.S. EPA approved Comfort-tip premium spray nozzle