Excellent for livewell or washdown applications in harsh environments. Seamless motor shell and sealed switch protect the pump from splashed liquids. Self-priming can run dry without damage. For tank size 35 gallons and under. Thermally protected and ignition protected. Shut-off pressure: 45 PSI (3.1 bar). 4.0 GPM. Dimensions: 10″ x 5″ x 4-3/4″. 12 volt.