Used in inflatable boat ,inflatable ad, inflatable pool and any inflatable producs pump won the national patent NBF pump c NBF air pump 1.Power:2800W ... and simple to install.2.With special design of impeller,air flow is smoother.3.With infinitely variable on the base ... ,piblic pool water amusement park,seawater,industrial,tent,big balloon,air-filled toy,rubber dinghy etc