DescriptionSUP electric pump adaptor utilizes a standard Schrader fitting to couple with an air compressor or bike/tire pump. With the in the closed position, insert the Schrader fitting and rotate to lock in place. Remove the on the fitting, and connect a standard electric pump.Features- Color: As shown.- Material: Rubber.- Size: 3.4 x 3.4 x 7.8 cm.- SUP electric pump adaptor utilizes a standard Schrader fitting to couple with an air compressor or bike/tire pump.- With the in the closed position, insert the Schrader fitting and rotate to lock in place. Remove the on the fitting, and connect a standard electric pump- Bike pump or compressor and inflate to the recommended PSI- 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 off the pressure.