This aluminum anode rod attracts corrosive elements in your RV's water heater, protecting your tank from corrosion. The 3/4" diameter x 9-1/2" long rod fits Suburban (Mor-Flo) heaters.Features: Aluminum anode rod attracts corrosive elements in your RV's water heater Protects your tank and elements from corrosion Extends the life of the water heater Fits Suburban (Mor-Flo) heaters Dimensions: 3/4" diameter x 9-1/2" long 11563 Camco Motor Home Water Heater Anode Rod - Aluminum - 3/4 Inch Diameter x 9-1/2 Inches Long