HMDDA Mini Diver's Anode – Aluminum Sacrificial Hull Anode

Protect your boat's underwater metals from galvanic corrosion with the HMDDA Mini Diver's Anode. Manufactured from Performance Metals Navalloy® aluminum alloy, this compact marine anode delivers dependable corrosion protection in saltwater, brackish water, and freshwater environments.

Designed as a replacement for ZHC-4 zinc anodes, the HMDDA provides the advantages of modern aluminum anode technology while featuring the exclusive patented Red Spot wear indicator for easy inspection and maintenance.

Key Features

• Replaces ZHC-4 zinc anodes

• Helps protect underwater metals from galvanic corrosion

• Manufactured from Navalloy® aluminum alloy to MIL-DTL-24779 specifications

• Suitable for use in saltwater, brackish water, and freshwater

• Features the patented Red Spot wear indicator

• Compact, high-capacity design for reliable corrosion protection

• Ideal for hull and underwater hardware protection

• Important: Do not mix aluminum and zinc anodes on the same vessel. For best corrosion protection, use the same anode material throughout your anode system.

Specifications

• Material: Navalloy® Aluminum Alloy

• Application: Mini Diver's Anode

• Weight: 1.1 lbs (0.5 kg)

• Zinc Equivalent Weight (ZEW): 2.9 lbs (1.3 kg)

• Water Compatibility: Salt, Brackish, and Fresh Water

Includes

• HMDDA Mini Diver's Anode