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