HVG MARINE ELECTRIC EQUIPMENT 0318: Double-deck Port Light:

Double-deck masthead Light is a kind of port light produced by stainless steel,plastic,steel,and which has the features that corrosion resistance and shock resistance,and some of them has automatic aleak holes in the bottom,convenient to install and replace the bulb.Applied to the ships with the length above 12m,conform to THE INTERNATIONAL REGULATIONS FOR PREVENTINGS COLLISION AT SEA 1972 and GRADE ENTRY NORMS FOR STEEL SHIPS.