Corrosion Protection: Extends the life of a water heater by attracting corrosive elements in the water. The exclusive suburban anode rod absorbs the corrosive action acused by hot water and prolongs the life of your water heater tank. | Size and Material Typle: Magnesium anode rod, 9.25" long,¾" threads , Uses a 1-1/16’’ socket | Reliable quality：High quality rv hot water tank anode rods are a perfect replacement for suburban 232767 and Mor-Flo 6 Gallon water heater anode rod. | Pack of 2: Unscerw the anode rod to drain the tank. If the rod is mostly eaten away, replace with a new one. Always keep a spare in your RV. | Fast delivery: Fulfillment by Amazon,Eleventree provide the best quality product at the best possible price. guaranteed reply within 24 hours and a 30-day money-back guarantee our customer service is unmatched.