Duff ZD51 Zinc Hull Anode | 4Boats

MG Duff disc anodes protect underwater components on boats and vessels from corrosion; these disc-shaped anodes are made from high-quality zinc and are intended for use where zinc sacrificial anodes are appropriate.

• Material: zinc (sacrificial)
• Model: ZD51
• Shape: disc
• Fixing hole to suit stud size M10
• Suitable for seawater (saltwater) environments
• Protects hull and underwater fittings
• Brand: Duff

Fits standard M10 studs; replace periodically to maintain effective cathodic protection.