Introducing the Chudeng Magnesium Water Heater Anode Rod, the good solution to extending the lifespan of your water heater! Made with high-quality magnesium, this flexible anode rod is designed to attract bacteria and prevent corrosion, saving you money by avoiding the need for a whole water heater replacement. UNIVERSAL FIT: Almost all water heaters including; A.O. smith, Rheem, Reliance, Richmond, Kenmore, State, GE and many more that also use the standard " NPT Anode Rod Connection. EXTEND SERVICE LIFE OF WATER HEATER: Hot water tanks are made of steel which is very corrosive when exposed to water. Based on the electromotive series of metals we know that magnesium will corrode before the steel in your hot water tank. In this way, it can extend the service life of your water heater. ADVANTAGES OF MAGNESIUM ANODE RODS COMPARED TO ALUMINUM RODS: This heater anode rod is made of high-quality magnesium that is specifically designed to provide long-lasting use and collect contaminants from water hearts. The metallic activity of Magnesium anode rod is stronger than that of Aluminum anode rod. That means Magnesium anode rod is more effective at keeping the water tank from corroding. FLEXIBLE DESIGN FOR TIGHT AREAS: This 44 Inch-long magnesium rod is hinged into four segments, less than 12 Inches long each, so it is easy to place it into the tight areas of water heaters. KIT INCLUDED: 1) 44 Inch-long magnesium rod, 3/4 NPT Thread makes it compatible with most water heater. 2) 1-1/16" Hex Socket Tool , help you to replace the anode rod. 3) Teflon Sealing Tape