Rv water heater anode rod exclusive anode rod absorbs the corrosive action accused by hot water and prolongs. As soon as the anode rod is depleted and fully decayed, the water heater begins to rust, then crack, fail and leak. The life of your water heater tank. the embarrassing rotten egg smell Did you know that the anode rod inside your hot water tank is the number one key contributor to the production of your smelly, hydrogen sulfide gas? Aluminum Zinc Alloy sacrificial anode rod made of high-quality Aluminum Zinc Alloy that is key elements for permanently eliminate rotten egg smell from water tank.The RV anode rod's size and material type: aluminum/zinc anode rod, 9.25 inch long, inch threads, uses a 1-1/16 inch socket.The RV Aluminum/Zinc anode rod fits for almost all water heaters including; for A.O. , for Rheem, for , for Richmond, for , for State, for and many more that also use the standard inch NPT Anode Rod Connection.The RV Aluminum/Zinc anode rod should be removed from the water heater's tank annually for inspection and replaced when more than 6 inch of core wire is exposed at either end of the rod. Pack of 2: Unscrew the anode rod to drain the tank. Always keep a spare in your RV.Colour:Silver+blackMaterial:Aluminum zincSize:Diameter width: 19mmLength: 9.25 inches about 235mmPackage Contents:2 x Aluminum Zinc Anode Rod1 x PTFE tape(The color of the tape will be sent randomly, don't accept the specified color)Only the above package content, other products are not included.Note: Light 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.