Whale - Gulper Toilet Waste Pump, 12V / 1-1/2'' Hose

 
For holding tanks and vacuum systems. Virtually unblockable and self priming up to 9.8'. Can be mounted in most convenient part of boat. Easy to maintain and can run dry without damage. Pumps inmacerated waste. Output (open flow) 4-3/4 GPM. Max head and lift is 9.8'. 1-1/2" Hose connections.