[2-Pack]This set includes two screw-in water heater elements, each with high watt density, perfect for replacing elements in dual-element electric . Designed to reduce scale buildup in hard water areas.[High Performance]Each element runs at 4500W, 240V, with a watt density of 208 W/square inch and a cold resistance of 12.80 ohms. Copper outer sheath increases durability and efficiency.[Precise Size]The elements are threaded for easy installation, requiring a 1-1/2-inch socket size for installation.[Wide Compatibility]Compatible with from such as American, AO , Bradford White, etc. Suitable for models manufactured after 1994, ensuring a wide range of applications.Colour:As ShownMaterial:Stainless steelPackage Contents:2 * water heater heating tube2 * sealing ringOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.