AQUARIUM SIZE 635 TO 765 GALLONS -- Specifications Aquarium size: 635 to 765 gallons Power consumption: 28-38 watts with 500 gallons of air/hr. (in normal operation) Dimensions (LXBXH): 11 x 14 x 22 inches Footprint: 11.2 x 13.7 inches Pump: DCC 5 (24V) SW5 Controller For sumps with 6-10 inch water level