... free,Anti-airlock Submersible Marine Bilge Pump 12V 1100GPHCE,OEM factory,Sample for testing12V/24V,29mm outletVibration-free,Anti-airlock ... pump lifetime2,Flow from 350GPH to 3700GPH (consult factory for other flow rate)3,Motor Configuration lead wires 1-pin connector( ... consult with factory)4,1-pin connector without automatic switch ...