High Quality Material - SUP Pump Adapter is made of PA66 + 30% GF (cap) + copper + rubber (valve connector). Tough and durable with excellent crush resistance and durability. Quick Inflate - With valve closed, insert valve connector and twist to lock in place, remove accessory cover and connect standard electric pump. Can be inflated with a compressor or tire pump in 5-10 minutes. Excellent Leak Protection - Soft rubber at the interface provides a good air tightness, strong seal and leak protection for the adapter. Makes inflation and deflation easy and convenient for you. Lightweight - This SUP pump accessory is lightweight and small, making it easy to carry and store. You don't need to carry different kinds of inflation instruments. Lighten your load and make your daily journey easier. Wide Applications - Universal Valve Adapters can be used in paddle boards, canoes, kayaks, inflatable boats, inflatable beds, assault boats, slides, floating rafts, inflatable boats, dinghies and more.