Aluminium Anode kit made by Tecnoseal, one of the worlds leading suppliers of sacrificial anodes for cathodic protection in the leisure boat market.
The kit for the Volvo Penta Duo-prop 290 sterndrive comprises of the saildrive ring, bar and bracket anodes along with the required fixings for the bar and ring anode.
Aluminium anodes are suitable for salt and brackish water situations and are recommended by many outdrive manufacturers, please check your manufacturers recommendations