HIHG EFFICIENCY: Solar copper anode replacement to help save 80% on chlorine costs, reduce irritation, clean and clear your swimming pool. COPPER ANODE: The anode is made of excellent copper material, with high hardness, good conductivity, wear resistance and long service life. STANDARD SIZES: The solar anode replacement has a length of 10.5cm and a diameter of 1.8cm, with standard sizes and strong adaptability. MAIN PURPOSE: Sun shock replacement copper anode is a secret blend of microorganism killing metals that prevent growth in your pool. EASY TO INSTALL: With screw, this anode solar replacement is easy to install and use, has a glossy appearance without burrs, and is safe to operate. Solar Copper Anode Replacement High Efficiency Sun Shock Solar Pool Ionizer Anode Rod HIHG EFFICIENCY: Solar copper anode replacement to help save 80% on chlorine costs, reduce irritation, clean and clear your swimming pool. COPPER ANODE: The anode is made of excellent copper material, with high hardness, good conductivity, wear resistance and long service life.