MG Duff's MD78 Magnesium Weld On Bar Anode will provide superb protection to your hull in fresh water. MG Duff are a household name in the marine cathodic protection market, having produced anodes of all shapes, sizes and materials since way back in the early 1950's.
Specifications:
Overall Length: 385mm
Anode Body Length: 305mm
Width: 76mm
Depth: 32mm
Weight: 1.5kg
Useful Links:
Anode Guide Blog Post