12V DC on Demand Fresh Water Diaphragm Self Priming Pump Mfg# 91200071
Diaphragm Design. Inlet Size: 3/8" Hose Barb Thread. Outlet Size: 3/8" Hose Barb Thread. DC Coaxial Power Jack: 5.5mm O.D. x 2.5mm I.D. The pictures provided are of the item unless otherwise stated.