Harmsco Cartridge Lifter [39-3/4"] (623) andersonmfg the whole seat can feel

the whole seat can feel less satisfying than it should

and this generic version is sized with a 24-3/16 inch inside diameter and 7/16 inch cross-section using the O-106 reference

The Gecko AquaFlo 2

It can help create a more deliberate plumbing layout and reduce the number of additional transition fittings needed around the branch

Harmsco Cartridge Lifter [39-3/4"] (623) andersonmfg the whole seat can feelThe Harmsco cartridge lifter is designed for compatible filter applications where cartridge removal or handling needs added support. A cartridge lifter is useful because it helps move or lift the cartridge more safely and conveniently during maintenance, supporting easier service work. This replacement is especially useful when the original lifter is bent, damaged, worn, or missing. Matching the correct 39 3 4 inch size helps preserve intended fit and