The Marine Metal Products Super Saver II keeps bait fish and marine life lively. It is a 12 volt DC livewell system that aerates and cools up to 35 gallons. Attache the hose to the to pump water in or out. The Super Saver II fills and empties livewells and features an emergency bilge pump for cleaning and wash down. It mounts with suction cups on bottom or sides of livewells and containers. The Super Saver II is ideal for coolers, smooth livewells, and round containers. It also features a 500 GPH pump at a low 1.9 amps. This is a complete and ready to use system.