Duff CMT20 Zinc Hull Anode | Zinc Sacrificial Anode | 4Boats

Bolt-on zinc sacrificial anode designed to protect hulls, outboards and outdrives in salt and brackish water; not recommended for prolonged freshwater use—choose magnesium for lakes and rivers.

• Material: Zinc, optimised for salt and brackish water
• Type: Bolt-on sacrificial anode
• Application: Hulls, outboards and outdrives
• Corrosion protection: Sacrifices itself to protect metal components
• Installation: Simple bolt-on replacement
• Compatibility: Suits most bolt-on anode fittings
• Note: For freshwater environments use a magnesium anode for better performance