Cukote 330 VOC is aSemi-hard, self-polishing co-polymer ablative finish that is effective below the waterline on fiberglass, steel and wood vessels. Complies with rigid VOC limits set by the California Air Quality Management Board (330 grams of VOC per liter) and offers marine service professionals and do-it-yourselfers a reduced VOC alternative. 47.57% cuprous oxide. Cukote 330 VOC enables it to be taken in and out of the water without compromising its antifouling characteristics. Lloyd's Register certified.