CAA Zinc Shaft Anode - Donut 30mmPart No. CDZ4-30DM 2 S/S Fasteners screw into S/S NutWeight - 500gLength - 33mmID - 30mmOD - 64mm CAA Zinc Shaft Anode - Donut - 30mm - CDZ4-30DM$34.35PriceGST IncludedQuantity*Add to CartBuy NowNotePrices online and in-store may differ.