Inflatable boat Anti fouling (antifoul) for Hypalon Dingies and Ribs, Fully flexible antifoul for use on Hypalon material. Can also be used on non-flexible surfaces such as GRP. Hull and tubes can be protected on your RiB with just one product. Developed using unique pseudo-organic technology. Extensively tested - keeps virtually all hulls free from growth of algae, crustaceans and othe unwelcome marine life Includes copper, linked with our own extremely low friction technology SP54 offers a unique solution to an age old marine problem. Available in 1 litre tins.