Various Interface Design: 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, only need to choose the appropriate connector according to the inflatable interface, no need to buy other connectors. Quick Connection:The adapter makes a fast connection between hand pump valve adapter and other valve adapters. Just screw the smaller end into the connector of the air pump and plug the other side to the SUP Board valve. No any tools need. Sealing and Leakproof: The boat sup pump adapter is made of high-quality plastic material, safe and durable, with high pressure, strong sealing and leakproof performance, excellent leakage performance. Easy to Inflate and Deflate: The air valve converter makes it easy to inflate and deflate boats. With gasket inside, there will be no air leakage between the adapters. Color: white Wide Application: The air pump nozzles for inflatables is compact in size, easy to carry and store. Suitable for most paddle boards, canoes, rubber boats, assault boats, swimming rings, float rows, inflatable beds, canoeing, etc.