Sturdy magnesium structure,high quality magnesium is better than aluminum anodes to prevent water heater tank corrosion
Dimensions: 9.25'' long and 3?4" NPT thread1?4''
Measures 9.25'' Long and has ¾'' NPT Thread, Uses a 1 1/16'' socket
Extend and save water heater tank life and help eliminate chemicals.
To extend the life of the tank, flush the tank and replace the anode rod