Used to keep the swimming pool clean by releasing copper and other minerals into the swimming pool. The chlorine-free solar shock replacement copper anode is a secret mixture of metals that kill microorganisms and prevents the growth of metals in the pool. Replacing copper anodes can help you save 80% of your chlorine costs. Solar Ionizer replacement basket, that helps to capture copper debris when released from anode during ionization Suitable for Solar Pool Ionizer Purifier Chlorine Free Purifiers. Colour:Blue+copper Material:Nylon + copper alloy Package Contents: 1 x Filter Screen 1 x Sopper Anode 1 x Bolt Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.