Pentair Rainbow Automatic Feeder 300-29X Hardware Kit (R172275) skimfilters An air injector is useful

An air injector is useful because it helps introduce air into the supported water feature or circulation path

more readable panel face and gives the topside a more polished and more confidence-inspiring appearance overall

The with a manway access cover helps support routine chemical management by providing a dedicated container for liquid solutions used in pool or spa water treatment applications

Helps restore automation control and equipment scheduling

Pentair Rainbow Automatic Feeder 300-29X Hardware Kit (R172275) skimfilters An air injector is usefulCorrect fit matters when water, sanitizer, or pressure must move through equipment reliably. The Rainbow Automatic Feeder 300 29X Hardware Kit is a Pentair Rainbow replacement for chemical feeder service, helping helps maintain controlled sanitizer delivery. In feeder service, correctly matched small parts help manage sanitizer flow, reduce nuisance leaks, and keep maintenance more predictable. Matches compatible equipment applications that reference