Used to keep the swimming pool clean by releasing copper and other minerals into the water.<br> The chlorine-free solar shock replacement copper anode helps control microorganisms and inhibits algae growth in the pool.<br> Replacing copper anodes may reduce chlorine usage.<br> Solar ionizer replacement basket helps capture copper particles released from the anode during ionization.<br> Compatible with various solar pool ionizer purifier systems.<br> Material: Nylon + copper alloy<br> Color: Blue + copper<br> Copper rod: 105mm long, 18mm diameter; weight 228 g (0.5 lb)<br> Spring: stainless steel 316 material, length 125mm, diameter 40mm<br> Basket: nylon material, length 120mm, diameter 68mm<br> Package Contents:<br> 1 x Filter Screen<br> 1 x Copper Anode<br> 1 x Spring<br> 1 x Bolt<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement allowance is +/- 1-3cm.