The Sea Safe is a powerful single trumpet air horn that is 100 percent solid brass with a bright chrome plated finish. Sea Safe"s design is ideal for smaller boats, producing a warning sound equal to larger horns. It has a Lexan non-corrosive diaphragm, making it ideal for use in salt or fresh water environments. The compressor is heavy-duty, has a bright chrome plated finish and is maintenance free. Packaged in a six color eye-catching box and kit includes: Rubber gasket, hose, 30-ampere relay and stainless steel mounting hardware.