From Lowes. Barely used. 50-Gallons Tall 6-year Warranty 4500-Watt Double Element Electric Water Heater "Keep hot water flowing with A. O. Smith's Signature 100 Series 50-Gallon Tall Electric Water Heater. It's designed to provide efficient and reliable hot water for households with 3 to 4 people when sized appropriately. This model is designed to last and features dual copper heating elements, a protective anode rod and a ceramic fused tank shield designed to reduce corrosion and provide ultimate tank protection. A self-cleaning dip tube helps reduce sediment build-up and extend the overall life of the water heater. This 50-gallon hot water heater operates at a 0.92 Uniform Energy Factor (UEF) which can reduce your energy consumption compared to less efficient models. "