Item Type: Water Heater Anode Rods Material: Magnesium alloy + aluminum Length: Approx. 115mm/4.53in Diameter: Approx. 13mm/0.51in Thread: 1/2in NPT Fitment: Fits for most RV hot water heater swith 1/2in NPT Anode Rod Connection Applicable Brands Examples: Fits for Suburban Fits for Mor-Flo RV water heaters1Wide Application: The water heater anode rods is a replacement for Suburban, for Mor?Flo RV water heaters, and applicable for most RV Hot Water Heaters. 2Extend Heater Life: The magnesium anode rod effectively prevents the accumulation of corrosion and sediment inside, prolonging the lifespan of your water heater. 3High Durability: The durable construction ensures long lasting performance, providing reliable protection for your hot water heater for an extended period. 4Durable Material: This magnesium water heater anode rod is made of magnesium material, ensuring excellent corrosion resistance and durability. 52 Anodes in One Set: This practical RV water heater kit includes 2 magnesium anode rods and all set for fixing up your water heater tank and optimizing its functionality. 2 xWaterHeaterAnodeRod 1 x Tape