The Maddox Anode is a low-voltage composite alloy anode designed to protect hard metals from galvanic corrosion. It enhances anode performance for improved cathodic protection efficiency, reducing issues associated with overprotection such as coating failure on metallic structures, haloing around thru-hulls, and excessive growth on underwater surfaces.
Product Code: MPS.MDXBT
The MPS Maddox Small Button Anode has a 0.24-inch (6mm) hole for ease of installation. When fitted to bow and stern thrusters or smaller trim tabs, you will experience less growth & vastly improved coating performance. Comes with 2 x M6 star washers.
Key features:
- Improves vessel galvanic corrosion protection efficiency.
- For use on fiberglass, carbon fiber and wooden boats to protect hard metals - stainless steel & bronze.
- Maintains performance of protective coatings on metallic structures.
- Zinc and Cadmium free – environmentally friendly.

Product Guide:
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Anode Installation Guide:
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