At Vitesse Marine, we have a huge range of MG Duff Anodes anodes on the shelf  all year round. We include in our range, magnesium anodes for fresh water, aluminum anodes for fresh or saltwater and brackish water use or zinc anodes for salt water use, all manufactured at MG Duff's foundry here in the UK.

ZD77EURO Zinc Bolt On Anode. For Salt water use only.