Features: 1.Applicable 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. 2.Stable 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. 3.Reliable 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. 4.Durable 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. 5.Easy 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. Specification: Item Type: Anode Rod Material: Magnesium alloy + aluminum Magnesium Rod Size: Approx. 13x115mm/0.5x4.5in (Diameter x Length) Thread Size: 1/2in NPT Fitment: For most RV hot water heaters with 1/2in NPT Anode Rod Connection Replacement for Suburban RV water heaters Replacement for Mor-Flo RV water heaters