Pentair Automatic Feeder O-Ring Cap R172009 Maytronics Dolphin Add this reliable Maytronics accessory

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One‑dip simplicity—no bottles

Stain Drop All Purpose XpH makes stain and scale removal straightforward

and store the cleaner in its Caddy to protect components and simplify transport

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

Pentair Automatic Feeder O-Ring Cap R172009 Maytronics Dolphin Add this reliable Maytronics accessoryPentair 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