Duff B426 Anode Backing Sheet ZD42/6 in | 4Boats

Use the Duff B426 backing sheet with ZD42/6 anodes to extend anode life and protect hulls from alkaline attack as part of routine cathodic protection maintenance.

• Backing sheet for ZD42/6 — 152 mm (6 in) — 1H
• Compatibility: ZD series sacrificial anodes
• Material: durable elastomer for abrasion resistance
• Helps shield hull from alkaline corrosion
• Easy to fit during anode replacement
• Suitable for saltwater and freshwater installations