AquagardMarine GradeAnti-Fouling Transducer PaintRepels Barnacles & Other GrowthIdeal for us on Nylon or Bronze TransducersBlackProduct : AQUAGARD TRANSDUCER PAINT BLACK ANTIFOULING SPRAY Manufacturer : FLEXDEL Manufacturer Part No : 72201 UPC : 839112007146. 6 oz can of spray.