Feature:1. Applicable Model: Anode rod is fit for most RV hot water heaters with 3 or 4in NPT anode rod connection, such as for Suburban and for MorFlo RV water heaters.2. Protective Function: The anode rod is an important part to prevent 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 material for excellent wear resistance and durability and long service life.4. Extended 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 18 mm, a length of 235mm, and a thread of 3 or 4in NPT, and they are easy to install and replace.Specification:Item Type: Anode RodMaterial: Magnesium AlloyMagnesium Rod Size: Approx. 18 x 235mm or 0.7 x 9.3in (diameter x length)Thread: 3 or 4in NPTFitment:For most RV hot water heaters with 3 or 4in NPT Anode Rod ConnectionFor instance: For Suburban, for Mor-Flo RV water heaters.Package List:2 x Anode Rod 1 x Tape Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.