Pentair Automatic Feeder O-Ring Cap R172009 Maytronics Dolphin Prevents scale formation

Prevents scale formation

25 inch unit accepts standard debris loads and features a mesh screen molded into the frame for quick removal

It's ideal for DIYers and pros who want a proven

When used with a pH Decreaser

One‑dip simplicity—no bottles

Pentair Automatic Feeder O-Ring Cap R172009 Maytronics Dolphin Prevents scale formationPentair Automatic Feeder O Ring Cap R172009 Intro Keep your Pentair Rainbow automatic feeder performing at its best with the O Ring Cap R172009. This purpose built replacement cap preserves a tight seal, prevents leaks, and guards against dosing drift in day to day pool operation. Compatible with multiple Rainbow models300, 302, 300 19, 300 29, 300 29X, 320, and 322and their extensions, it delivers dependable, low maintenance chemistry management for