Designed as the next legendary pump to exceed your expectations, the Revolution Pump is constructed for high flow demand, low noise and no rapid cycling. Shurflo’s quality reputation has been based on the reliability and dependability of every pump built. The Revolution fresh water automatic demand pump has a Powerful 7.5 Amp motor is super quiet, thermally protected and can run dry without damage. Dimension: 4.90 inch x 8.10 inch x 4.30 inch; Flow Rate 2.3 GPM. 12 VDC.