1Applicable Model: 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. 2Protective Function: The anode rod is an important part to prevent damage to your water heater, providing long term reliable protection for your water heater. 3Premium Materials: The anode rod is made of premium magnesium alloy material for excellent wear resistance and durability and long service life. 4Extended 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. 5Size and Easy to Install: The anode rod has a diameter of 19 mm, a length of 235mm, and a thread of 3/4in Npt, and they are easy to install and replace.