Suburban Alum Anode Rod, Suits the Suburban HWS,

Anode rods preserve the life of a water heater by corroding themselves so the water heater doesn't.  These anode rods are easy to install! 

 205mm long and 17mm dia

Extend the life and efficiency of your RV's water heater with replaceable anode rods.  Anode Rods are easily replaced and should be checked every three months.