Camco 4-1/2" Magnesium Anode Rod. It protects your RV water heater from corrosion by attracting corrosive elements in the water, extending its lifespan. This anode rod is made of durable magnesium and comes with a 1-year limited warranty.

• 4-1/2 In.
• Extends the life of a water heater
• Attracts corrosive elements in the water
• protects your tan and elements from corrosion
• Patented