Pool Tool 104C-2 2" Anti-Electrolysis Inline Zinc Anode

This is an inline zinc anode that helps protect your metal parts against galvanic corrosion, which can cause discoloration and general erosion. This fits into 2" plumbing, but it is a simple process and doesn't require there to be re-plumbing. It features a see through housing that let's you easily remove and replace a zinc anode that has been depleted.