This demonstration video discusses and shows the features of the Aqua Lung Legend LX Twilight Supreme DIN Scuba Regulator. This regulator is for cylinders fitted with a DIN valve only. The Master Breathing System (MBS) controls the direction of air and opening effort. The Legend LX features a smaller Comfo-bite mouthpiece with removable bridge and an unique twilight stainless steel accent ring. Balanced first and second stage results in smooth, easy breathing. The Aqua Lung regulator comes with exhaust tee designed to keep bubbles out of your vision and reduce effort to exhale. It is environmentally sealed first stage provides greater reliability, less maintenance and higher performance. The Aqua Lung Legend LX Twilight Supreme DIN Scuba Regulator features a lightweight flexible double braided Aqua Flex hose to help reduce pulling on mouthpiece. The regulator is Nitrox Compatible to 40% (The Recreational Limits of Nitrox.) It comes equiped with a "Diver Adjustable" venturi to prevent unwanted free-flow.