The Leafield D7 has begun to replace the highly successful Leafield C7 Valve which had been favoured by most quality inflatable boat manufacturers prior to 2016. The new Leafiled D7 Valve has several benefits over the all previous Leafield valves. Along with improved inflation and deflation speed, the Leafield D7 Valve has an enhanced clamping method with an ‘O’ ring seal added to the valve core to reduce the risk of leaks. The Leafield D7 valve has a shorter internal profile than other valves making it ideal for smaller diameter tubes and any inflatable the utalizes drop stitch construction. Unfortunately, the boots on the C7and D7 are not inner changeable.