A 12V Macerator Pump is the ideal answer to simple holding tank pump-outs in a 12 volt environment which requires the removal of sanitation waste. Also ideal for macerating and evacuating livewell and fish box tanks and will empty your holding tank in only minutes. Self priming these macerator pumps will move sewage, clean, grey or waste water. Marine grade our macerator pumps are perfect as boat macerator pumps, caravan macerator pumps and motorhome macerator pumps. Water Pumps Now offers FAST FREE SHIPPING throughout Australia and our 12 volt marine macerator pumps come with full Australian warranties.