Quality material and durability - Made from high quality copper material for the anode, delivering efficient performance and long lasting use. It is sturdy and resistant to damage, helping you rely on its effectiveness over time. Excellent replacement option - A strong replacement for old copper cores. Replacing the copper anode can help save up to 80% on chlorine costs. Suitable for solar pool ionizers and chlorine free purifiers, offering a cost effective and eco friendly solution. Convenient pool maintenance - Supports a clean and clear pool by helping prevent algae growth when placed in the pool, contributing to water cleanliness and clarity. Dimensions and easy installation - Approximately 10.5 x 1.5 cm (4.13 x 0.59 inches) with a screw hole and a wing screw included for convenient installation. Compact and easy to fit, but please verify size compatibility before purchasing. Use scenarios - Use as a replacement copper core in solar pool ionizers for residential pools to reduce chlorine demand and costs. - Integrate with chlorine free purifiers to maintain water quality while lowering chlorine usage. - Include as part of routine pool maintenance to help prevent algae growth and sustain clear, clean water.