- Additional information
SSM-404 Zinc Bolt On Anode – (3-3/8″ X 9-1/4″)
Dual steel cores for long life and improved bonding.
Easily installed with impeccably secure fittings.
Designed by divers and made in America, these zinc bolt on anodes conform to Mil-Spec MIL-A-18001, providing the worlds best cathodic protection.