Reliance Aluminum Electric or Gas Anode Rod 3/4 in.

KA-90 Aluminum / Zinc Anode Rod. 3/4" male thread.Extends water heater tank life. Helps reduce smelly water conditions caused by bacteria when installed in a water heater tank. Dimension: 54.25" H x 2" W x 2" L. Weight: 3.4 lbs