| Brand | Martyr Anodes |
|---|---|
| UPC | 628309127848 |
Check the listing for details. Martyr Anodes CMR02AL Aluminum Rudder Anode. Condition: New. Listed at 22.75 USD. Alloy selection is critical for proper protection. Aluminum is designed for use in salt or brackish water, and has better performance and longer-lasting protection than zinc. Magnesium is intended ONLY for use in fresh water, and is the only alloy proven to provide protection in fresh water.