Features 1、Fitment: Anode rod is fit for most RV hot water heaters with 3/4in NPT Anode Rod Connection, such as for Suburban and for Mor‑Flo RV water heaters. 2、Corrosion Protection: The anode rod is an important part to prevent corrosion damage to your water heater, providing long term reliable protection for your water heater. 3、Premium Materials: The anode rod is made of premium magnesium alloy and aluminum for excellent corrosion resistance and durability and long service life. 4、Extend Tanks Lifespan: Anode rods are a key part of every hot water system, helping to extend the service life of water heater tanks and providing reliable long term use. 5、Size and Easy to Install: The anode rod has a diameter of 21 mm, a length of 235mm, and a thread of 3/4in NPT, and they are easy to install and replace. Specification Item Type: Anode Rod Material: Magnesium alloy + Aluminum Magnesium Rod Size: Approx. 21 x 235mm / 0.8 x 9.3in (diameter x length) Thread: 3/4in NPT Fitment: For most RV hot water heaters with 3/4in NPT Anode Rod Connection For instance For Suburban, for Mor-Flo RV water heaters Package List 2 x Anode Rod 1 x Tape