Jabsco 18590-2092 Macerator pump

Jabsco 18590-2090 Macerator Pump. Heavy Duty, Macerator grinds waste (both sanitation and fish box/livewell) into small particles so it easily passes through the pumps 1" hose barbed discharge port. They are self priming and with a flow rate of 12 GPM, they can empty a typical 30 gallon holding tank in less than 3 minutes. Can be permanently installed on board for easy holding tank evacuation when outside the 3 mile no discharge zone. The macerator has an inlet port with both a 1-1/2" hose barb for easy attachment to waste hose and 1-1/2" male pipe thread to screw directly into a holding tank or flange. 12-Volt DC.