Rubber
Universal: electric pump adaptor utilizes a standard Schrader fitting to couple with an air compressor or bike/ tire pump
Way: 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
PSI: Bike pump or compressor and inflate to the recommended PSI
Attention: Because the compressors/ tire pumps take time to inflate, recommended to inflate the board hand until it becomes difficult to pump, and then use the adaptor to off the pressure
Use: 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