Self-Polishing Premium Performance – 3400 SeriesHigh loading cuprous oxide. A top performer, even in severe fouling areas.No buildup of paint over time. Surface remains smooth and clean. Harder ablative finish ideal for fast moving vessels. Can be removed from water without affecting antifouling properties. Does Not contain any organotin compounds (TBT). May be used on all steel, fiberglass, and wood vessels. Lloyd’s Register certified.