Camco Magnesium Anode Rod for RV, Camper and Trailer Water Heaters - Extends the Life of Your Water Heater by Preventing Corrosion| Fits Atwood Heaters - (11553), Magnesium - 1/2" NPT x .5"D x 4.5"L
Brand: Camco
Extends the life of a water heater by corroding itself so that the water heater doesn't
Magnesium anode rod
0.5" diameter x 4.5" long
Provides protection against galvanic corrosion
1/2" NPT fits Atwood heaters