Various interface designs:: The sup valve adapter is lightweight and portable, with 4 different adapters, which can match different air valves to meet the inflation needs of most equipment. Economical and practical, just choose the suitable connector according to the inflatable interface, no need to buy other connectors. Quick connection: : The adapter makes a quick connection between the hand pump valve adapter and another valve adapters. Just screw the smaller end into the air pump connector and plug the other side into the valve on the SUP Board. No tools required. Sealing and sealing:: The boat pump adapter is made of high quality plastic material, safe and durable, with high pressure, strong sealing and leakproof performance, excellent leak performance. Easy to inflate and deflate: : The air valve converter makes it easy to inflate and deflate boats. With the seal inside, there will be no air leakage between adapters. Color: Black Wide Application:: Air pump nozzles for inflatables are compact in size, easy to carry and store. Suitable for most paddle boards, canoes, dinghies, assault boats, swim rings, float rows, inflatable beds, canoes, etc.