4500W, 240V, 9.75"H, Water Heater Duron Fold Back, 1-3/8" Better Element, Gasket Included, Detailed Instructions Included, Low Watt Density, 75+ Watts Per SQIN, Minimum Tank Diameter 13", For State Industries Manufactured Duron Tank Water Heaters, UL/CSA Listed, 1 Year Warranty.