Solar Copper Anode Replacement for Solar Pools, Cost Savings, Reduced Chemical Irritations, Cleaning Description: Copper Anode Function: This solar copper anode for your solar pool ionizer will help keep your pool or hot tub clean. Keep Your Pool Clean: The ionization purification process limits the growth of microorganisms and removes unwanted minerals like calcium from pool water. It also prevents algae growth, keeping the pool clean and clear. Save Money: This solar pool purifier is small, portable, weather-resistant, and long-lasting. Features: This replacement copper anode helps you save up to 80% on chlorine costs. Working Principle: Solar ions pierce the outer protective membrane of algae and bacteria cells, disrupting the enzymatic balance, inhibiting growth, and purifying the water. Specification: Material: Copper alloy Size: 1.8 x 10.5 cm / 0.71 x 4.13 inches Package includes: 1 piece copper anode Note: 1. Please allow slight error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.