Johnson Pump Twin Port 1000 GPH Livewell Aerating Pump - 12V - 48903Johnson Pump Twin Port 1000 GPH Livewell Aerating Pump 12V 48903 Twin Port 1000 GPH Livewell Aerating Pump 12V Offers the convenience of using only one intake for both the livewell and raw water washdown pump. The 3 4" tapered inlet connects directly to the sea cock and the upper outlet port provides a continuous flow of water through the 3 4" discharge to the livewell while the lower outlet port connects to the washdown pump through either a 1 2" or