Universal Valve Compatibility: This air pump adapter features a standard fitting that allows seamless connection with various air compressors, bike pumps, and electric inflators, making it ideal for inflating inflatable boats, paddle boards, and other inflatables requiring precise air pressure control Secure Locking Mechanism: Equipped with a twist-to-lock design, this air valve adapter ensures a stable and airtight connection during inflation, preventing air leaks and enabling efficient pumping for faster and more reliable inflation of your inflatable paddle board or boat Compact and Lightweight Design: Measuring approximately 1.33 by 1.33 by 3.07 inches and weighing only 1.59 ounces, this air adapter is easy to carry and store, making it a convenient accessory for outdoor water sports enthusiasts requiring portable pump adapters Versatile Inflation Solution: This pump inflator adapter allows transitioning from manual hand inflation to electric or bike pump inflation; it is recommended to start by hand until resistance increases, then connect the adapter to complete inflation efficiently for inflatable boats and SUPs Reliable Build for Outdoor Use: Designed to withstand typical outdoor conditions encountered in water sports, this air pump adapter offers stable performance and ease of use, helping maintain the recommended PSI levels during inflation of paddle boards and inflatable boats The coolhiya inflatable boat sup pump adaptor features a standard schrader fitting designed to connect easily with air compressors, bike pumps, or tire pumps.Measuring 1.33 x 1.33 x 3.07 inches and weighing 1.59 ounces, this air pump adapter offers a compact and lightweight solution for inflating your sup or inflatable boat efficiently.To use, insert the schrader fitting and rotate to lock it securely in place.Remove the cap on the fitting, then attach a compatible electric pump or bike pump to inflate your board to the recommended psi.For best results, start inflating your board manually until it becomes difficult to pump, then use this adaptor to complete the inflation process with your air compressor or tire pump.This pump adapter is ideal for outdoor water sports, beach trips, and recreational boating, providing a reliable connection that helps maintain proper board pressure.Please note that due to lighting and monitor settings, actual color and size may slightly vary from the product image.Package includes one air pump adapter.