[High quality material and strong sealing]: The SUP pump adapter connector is made of high quality copper, and the main body is made of high quality PE material, which is resistant to high pressure, waterproof, sturdy and sustainable; it has good airtightness and can prevent the use during the process, gas leakage. [Quick and efficient inflation]: You don't need an air pump dedicated to paddle board to inflate your boat. This multi-function SUP valve adapter allows you to connect a common inflation tube directly to the paddle board. It is easy to convert and has very high inflation efficiency. The recommended PSI can be easily reached within 5-10 minutes by using a compressor or tire pump. [Lightweight and Portable]: The inflatable SUP valve adapter has fine workmanship, exquisite design and easy to use. The sup adapter with a size of 10*3.5cm is lightweight and portable, individually sealed in a sealed package and easy to carry. You can use it anywhere. There is no need to carry various kinds of inflation tools, the multi-function valve connector can meet all your needs. [Easy to use]: When the valve is in the closed position, insert the Sup Ventil adapter and turn it to lock it in place. Remove the accessory cover and connect the standard electric pump. Since the compressor / tire pump takes a while to inflate, it is recommended to inflate the circuit board by hand until it is difficult to pump air, then use an adapter to increase the pressure. [Universal valve adapter]: One set contains 2 kayak adapters (black and orange). With it, you don't need to buy a special rubber boat pump, allowing you to use a normal pump or an electric pump to inflate the paddle board Suitable for most paddleboards, canoes, inflatable boats, swimming pools flushing, inflatable beds, dinghies, floating platoons, kayaks, assault boats, etc.