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The AO SMITH 9003721005 replacement magnesium anode is designed for water heater tanks. Constructed from magnesium, it measures .84" in diameter and 16" in length. This anode protects the tank from corrosion, extending the water heater's lifespan. It is also easy to install and provides a cost-effective maintenance solution.
This magnesium anode is .84" in diameter and 16" in length. It protects the water heater tank from corrosion and extends its life.
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