Attwood Tsunami Mk2 T500 Aerator KitUpgrade your boats livewell with the Attwood Tsunami Mk2 T500 Aerator Kit, engineered for boats with built in livewells that dont have a thru hull recirculation system. This robust kit delivers reliable, efficient aeration to keep your catch healthy and active while youre on the water. Designed to withstand marine conditions, the sealed pump can be occasionally submerged; however, electrical wires must never be submerged. Key Benefits 500 GPH aeration