Duff CMPNH5Z Zinc Propeller Anode for Martyr Autoprop | 4Boats Shopify Collective Inline design - fits easily

Inline design - fits easily into existing hose runs

boat‑friendly finish

the spring-loaded cap remains tightly closed

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Duff CMPNH5Z Zinc Propeller Anode for Martyr Autoprop | 4Boats Shopify Collective Inline design - fits easilyThe 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