Jabsco Sealed Macerator Self-Priming Pump 12VMeet the Jabsco Sealed Macerator Self Priming Pump 12V, a rugged, reliable solution for fast and clean waste evacuation on your boat. Built to handle holding tanks, fish boxes, and livewells, this compact DC macerator delivers power where you need it mostinside your marine system. Self priming to 5 ft means you can evacuate tanks that sit above the waterline with ease. In typical use, it can empty a 30 gallon (115 L) holding tank in under 3 minutes,