Preserve the life of your water heater tank with our High-Quality Magnesium RV/ Camper Anode Rods. Designed to protect your water heater tank from harmful contaminants that attack the aluminum in your tank and cause odor and deterioration. Sold as a 2 pack so you always have a spare on hand. Click the 'Add to Cart' button to get your new RV Anode Rod set today and keep your investment protected.