Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh waterHULL ANODES (MARTYR ANODES)SKU: 6.28309E+11$37.19PriceQuantity*Add to CartFeaturesSize5-3/4" L X 2-1/2" W x 3/4" HHole2-7/8"MaterialZinc
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