Camco 3500W 240V 13.25"H Universal Flange Element. This high-performance element delivers a powerful 150+ watts per square inch, ensuring efficient heating for most American, A.O. Smith, Bradford White, Craft Master, General Electric, Gs Wood, Kenmore, Lochinvar, Maytag, Mor-Flo, Reliance, Rheem, Richmond, Ruud, Sears, State, & Whirlpool heaters. It fits tanks with a minimum diameter of 14" and includes a gasket and detailed instructions for easy installation. UL listed for safety and backed by a 1-year warranty.