Tsunami T800 Dual Outlet 3-1/2 Dual Outlet Aerator Pump Dual outlets allow you to run 2 live wells or 1 live well and 1 low-pressure wash down. Tsunami aerator pumps are dependable and long-lasting. Cartridges are replaceable and interchangeable. Housing made of rugged, glass and mineral filled polymer that withstands hull pounding and resists chemicals.