The Duff CMPNH5Z zinc propeller anode protects propellers and sterngear from galvanic corrosion and is a direct fit for Martyr Autoprop units.

• Model: CMPNH5Z
• Material: zinc (sacrificial anode)
• Application: propeller and sterngear protection
• Fits: Martyr Autoprop propellers
• Suitable for: saltwater environments (not recommended for fresh water)
• Protects: shaft, propeller and gearbox casings
• Installation: straightforward replacement, no special tools
• Maintenance: inspect regularly and replace when visibly consumed

Note: zinc anodes are best for seawater; aluminum is typically used for brackish water and magnesium for freshwater.

Order genuine Duff CMPNH5Z anodes to maintain reliable corrosion protection for your vessel.