Danner Supreme AP-series air pumps have been designed to satisfy the requirements of a multitude of water related applications. These beautifully designed, environmentally friendly pumps can be used for: oxygenating aquariums for a cleaner aquatic environment, promoting healthier fish and aquatic plant life, increasing the breakdown of fish waste, Preventing icing over in outdoor ponds and driving protein skimmers. AP Series air pumps operate on standard 110V electric and come with a 6-feet power cord. Energy efficient motor. Easy to use. Quiet operation. High volume with steady air flow. For outdoor use it is recommended that the unit be enclosed to protect it from the elements. Designed for ponds up to 5000-gallons, maximum water depth is 10-feet, 40-watts power. 5/8-Inch hose size. Measures 11-inch length by 6-1/2-inch width by 7-inch height.