Martyr Anodes CMZHC5AZ Zinc Hull Anode 4" x 8"

The Martyr Anodes CMZHC5AZ is a high-quality zinc hull anode designed to provide reliable cathodic protection for your boat's underwater metal components. This sacrificial anode protects critical engine parts, through-hulls, shafts, rudders, and other submerged metal fittings from galvanic corrosion in saltwater and brackish water environments.

Key Features:

• Premium zinc alloy construction meeting military specification MIL-A-18001K
• Dimensions: 4 inches x 8 inches for substantial protection coverage
• Pre-drilled mounting holes for easy installation on hull surfaces
• Hull-mounting design with flat back for secure attachment
• Designed to corrode sacrificially, protecting more valuable metal components
• Ideal for saltwater and brackish water applications

Martyr is the original manufacturer of the most comprehensive line of sacrificial zinc anodes for marine applications. This hull anode should be inspected regularly and replaced when approximately 50% depleted to ensure continuous corrosion protection. The hole dimension refers to the center-to-center distance between mounting holes for proper installation planning.