*Product availability is subject to suppliers inventory
New state-of-the-art design provides superior power, dependability & peace of mind. Supplies air for tanks up to 55 gallons using 110V power with battery powered back-up for up to 150 hours. Features an adjustable flow control dial, power indicator light, and dual air outlets Acoustically designed for smooth, ultra-quiet operation Requires 4 alkaline "D" batteries (not included).