For Atwood-Style RV Water Heaters Anode Rod 4.52" x 1/2" NPT Anode Rod Magnesium
99.8% Pure High-Quality Magnesium Anode Rod made from top-quality magnesium AZ31 Alloy is non-toxic and entirely safe for the human body! A magnesium water heater anode rod protects your tank better and lasts longer.