Salt Cell Winterization Kit - Pool Guy Supply Heavy Duty Bypass Pipe for Hayward Goldline T-Cell & Pentair Intellichlor Salt Cell Same dimensions (length, width & threads) as majority of Hayward & Pentair salt cells Replaces Part No's: GLX-CELL-PIPE (Hayward) & 520588 (Pentair) Manufactured by Pool Guy Supply, made in USA Used to fill the gap in your plumbing when your salt cell needs to be removed