[Quick inflation]: the air valve adapter of the sup pump adapter, easy conversion and quick inflation; Use your compressor or tire pump to easily reach the suggested PSI in 5-10 minutes, the bigger the inflation pump you use, the faster the inflation. [Premium Material]: This Inflatable Boat Pump Adapter is made of high quality copper and rubber, which is sturdy and durable, high strength and wear resistance, labor-saving, high pressure resistant, strong seal leakage protection[Easy to use]: With the valve in the closed position, insert the valve fitting and twist to lock in place; Remove the fitting cap and connect a standard electric pump[Widely Application]: This air pump converter to inflatable boat sup pump adapter can fit most paddle boards, canoes, rubber boats, assault boats, flush pools, float rows, inflatable beds, canoe, kayak, etc. Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, there will be some color difference, depending on the physical item received.