Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh waterHULL ANODES (MARTYR ANODES)SKU: 6.28309E+11$10.69PriceQuantity*Add to CartFeaturesSize3-1/4" L x 1-1/4" W x 1/2" HHole1-13/16"MaterialZinc
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