Pentair Automatic Feeder O-Ring Cap R172009 1 qt bottle see an increase in your

see an increase in your sanitizer efficiency and reduce filter maintenance

and temperature cycling for long service life

Replacement Top Assembly for the following Valves:

Its durable build

A convenient granular product for raising calcium hardness

Pentair Automatic Feeder O-Ring Cap R172009 1 qt bottle see an increase in yourPentair 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