Pump Valve Adapter Inflatable Boat Pump Adaptor Air Pump Converter Air Valve Attachment[Easy to use]:With the valve in the closed position,insert the Schrader valve fitting and rotate to lock in place. Remove the cap on the fitting,and connect a standard electric pump.Because the compressors/tire pumps take time to inflate,it is recommended to inflate the board by hand until it becomes difficult to pump, and then use the adaptor to top off the pressure[Fast inflate]:Adapter for paddleboard easy to change,quick to inflate, can be inflated in 5-10 minutes, depending on the speed of the pump and strong seal leakage protection. Excellent performance of air leaksColor: black + orangeSize: about 8cm in length, about 3.5cm in diameterQuantity: 2pcsKind tips:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.3. Only the above package contents, excluding other products.