1Applicable Models: Anode rod is fit for most Rv hot water heaters with 1/2in Npt Anode Rod Connection, replacement for Suburban Rv water heaters, and replacement for Mor?Flo Rv water heaters. 2Stable Performance: Magnesium anode rods act as a powerful filter for the water stored in the heater, protecting your water heater from damage and help to prolong the life of the water heater. 3Reliable and Safe: The hot water heater anode rod with fine workmanship and premium materials exhibits outstanding durability and is not potentially dangerous and safer for human body. 4Durable Construction: 1/2 Inch Npt anode rod is made of premium material, which is hardness, not easy to deform, sturdy and durable and has a long service life. 5Easy to Use: Aluminum anode rod with 13x115mm (diameter x length) is designed to be easy to use, so you can use it easily, which is convenient and practical for you.