Johnson Pump Aqua O2 Twin Port 500 GPH Aerator Pump - Flex Mount - 12V [10-13649-01] Brand_Actisense If you need a wrench

If you need a wrench for the older designs then use the 164WR-4 instead

Volts: 9-32

Designed to maintain 12V batteries

10" Range - 10-Pack

Johnson Pump Aqua O2 Twin Port 500 GPH Aerator Pump - Flex Mount - 12V [10-13649-01] Brand_Actisense If you need a wrenchAqua O2 Twin Port 500 GPH Aerator Pump Flex Mount 12V Johnson Pump cartridge aerator pumps offer ease of convenience and years of reliable service. This pump has an improved design with an easy to change replace motor cartridge. Features: All Aqua O2 Cartridge Aerator Pumps offer the convenience of using only one intake for both the livewell and washdown pump Includes a 3 4 NPT seacock inlet High flow impeller design Quick change motor connection 360