This replacement filter cartridge has the technical specifications of Unicel # C-7487, Pleatco # PA100N-4, Filbur # FC-1270 and OEM # CX870XRE and it is best fit for Hayward Super-Star-Clear C4000, Swim-Clear C4020, Super-Star-Clear C4000S. With 25 ½ inch of length and 7 inch width it can handle the top load of 100 sq. ft. It has 3 inch open holes both at top as well as bottom. It provides you clean and clear water for your swimming pools as spas.
By Damien Wilson
If you are sick of the dirty water in your pool then try this filter. It will change everything by easily cleaning up your pool in a short time. Enjoy this product.