Convert your existing recuirclation pump into a PowerStream Pump-Out Aerator Combo with this bundle. By simply pulling the red aerator head, water is diverted from the livewell to the Included pump-out thru-hull. ^Kit Includes:Pump-out aerator, Pump-out thru-hull, 3/4" Qwik-Lok straight sockets (3), 3/4" Qwik-Lok 90° socket, Hose Clamps, 3/4" x 8' Hose.