Skip to content
Pentair/Rainbow Spa Filter Lock Ring
- Part # 172214.
- For RTL and RDC inline filter canisters.
- Inside ring diameter is 6 1/8 inches.
- NOTE: 24 grip ribs on outside, and square notches for canisters with locking tabs.
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.