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