Zinc: For use in salt waterAluminum: For use in brackish waterMagnesium: For use in fresh waterTEAR DROP HULL ANODES (MARTYR ANODES)SKU: 6.28309E+11$15.69PriceQuantity*Add to CartFeaturesSize5"L x 2"W x .8"HHole1-5/8"MaterialZinc
){kind=link}