3 Parts of the Inflation Valve This inflatable boat valve includes an inner cover, an outer cover and a valve cover. Its structure is very simple, very easy to understand and use. For boat lovers, it is definitely a great accessory that can add a finishing touch to your boat. If you buy it, it will bring vitality to your dinghy. Double Seal Design This inflatable valve for inflatable boats uses a double seal design. Both the valve core and the valve cover have a rubber sealing ring, so it has good anti-leakage performance. It can provide greater protection against leaks and can be used well. Let you have an excellent shopping and use experience, you don't need to worry, it guarantees the good use of your inflatable boat. Inflatable valve for inflatable boats The color of the inflatable valve for this inflatable boat is gray. It is made of high quality PVC material, which is not only strong and corrosion resistant, but also durable. The outer diameter of the top is 6.5 cm, the outer diameter of the bottom is 4.2cm, and the height after tightening is 5cm. If necessary, you can refer to its height before purchasing. Suitable for most inflatable boats This inflatable boat valve is suitable for most inflatable boats, river rafts, kayaks and small boats, etc. It has good compatibility, so you don't have to worry about buying an inflatable boat that's not suitable for you. It can inflate and deflate quickly and is very easy to use, so you don't have to worry about wasting time and work. Been inflated and deflated The principle of using this inflatable inflatable valve is very simple. Its inflated state: the valve core rotates to the left to make it bounce and the rubber ring of the resistance valve is closed. Its deflated state: the rubber ring of the check valve is open. color: grey Quantity: 1Pc Note: Due to differences in light and screen settings, the actual color may be slightly different from the picture. Please allow for small size differences due to differences in manual measurements.