The Rainbow / Pentair 320 Automatic Inline Tablet Feeder is an inexpensive device to automatically chlorinate your pool. It holds up to 11 large (3") or 98 small (1") chlorine or bromine tablets. It can be installed in new pools, or with some minor plumbing work, to existing pools. It is an enclosed system, so there are no chemical fumes or venting required.

| Brand | Rainbow (Pentair) |
|---|---|
| Related Part Numbers | None |
| Manufacturer's Part Number (MPN) | R171096 / R171218 |
| Manufacturer | Pentair |
| Capacity | 11 large (3") or 98 small (1") tablets |
| Product Aliases | None |