DC 12V F4 size ballast pump with capacity 45 L/min (12 GMP). Used for ballast pumping of water between tanks, refuelling and dockside services. Pump body in brass, stainless steel shaft, ballast nitrile impeller and PTFE mechanical seal. Port connections 19mm (1/2"), self priming up to 5m vertical lift. Reversible flow direction, 11A fuse, protected against ignition of surrounding flammable gases ISO 8846.