Feature 【Wide Application】This Zinc Anode widely fits for most swimming pool systems, especially in a salt water system where higher levels of corrosion are found. Compatible with 2" pipes. 【Anti-Electrolysis Sacrificial Anode】This zinc anode neutralizes the salt in pools with salt systems to prevent corrosion, making pool maintenance more easily. It stops metal erosion and plaster discoloration due to galvanic corrosion, prolonging the lifespan of various pool metal equipment like pool pump, heater elements, salt chlorinator, rails, lighting frames, etc. .
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