Anyone who owns a boat knows how difficult it is to keep glass surfaces crystal clear. Between salt spray, mildew and acid rain corrosion, the glass tends to cloud up. But not with Diamon-Fusion®. Once treated with this patented, revolutionary product, your marine auto glass will appear brand new, and look that way longer. Treated with Diamon-Fusion®, marine glass remains streak-free and maintains its gorgeous luster. Water beads up and streams away, even on the roughest seas.