Fangrui Product Details Solving Pool Needs Has Been Easier, Our Package Comes With 2 Copper Anodes, 2 Wing Screws, 1 Coil Spring And 1 Basket Screen.the Complete Set Can Meet Your Daily Needs Our Copper Pool Ion Generator Kit Is Designed To Be Compatible With Most Existing On The Market, Offering A Universal Fit And In Sufficient Quantity To Use Or ; Be Aware That Pool Ion Generator Replacements May Discolor Slightly, As A Small Amount Of Copper Magazine Is Exposed To The Air, So Cleaning Is Recommended Every Two Weeks To Keep It Clean Pool Ion Generator Copper Replacements Are Metric Size 6, M6 For Double Sided, Our Copper Pool Anode Size Is Approximately 4.13 X 0.71 Inches/10.5 X 1.8 Cm, Each Coil Spring Size Is Approximately 5.1 X 1.57 Inches/12.95 X 3.99 Cm, And The Basket Screen Is Approximately 4.7 X 2.6 Inches/11.94 X 6.6 Cm; Please Confirm The Size Before Ordering The Copper Anode Is Made Of A Solid Copper Material, Ensuring Service Life, Durability And Reliable Performance;