12 volt DC aeration system. Low. current 1/4 amp. Dual bellows,. high volume- pumps 2 liters of. air per minute. Saturates water. with oxygen. Double discharge. allows aeration of 1 or 2. livewells. Increases capacity of. flow through livewells. 10 ft. of. air tubing with 2 large airstones allows pump to be mounted. in any protected area. For fresh or saltwater. 2 anti-siphon. valves protect pump against water intrusion. Quiet solid. state circuits. 1-year limited warranty.