Pentair Rainbow Lock Ring, Rainbow RDC/RTL/Leaf Traps. Manufacturer's Product Number: R172214.
- Lock ring replacement
- Fits Pentair Dynamic series I, II RTL/RCF, III RTL/RCF and V inline pool/spa cartridge filter models RDC-25, RDC-25S, RDC-50, RDC-50S, DSC 75, DSC 100
- Also fits Pentair pool and spa leaf trap models 179, 179-HDB, 179-C, 179C HDB
- Also compatible with Pentair Rainbow high capacity automatic chlorine/bromine pool and spa feeder models HC-3315, HC-3330, HC-3340
- Also fits Pentair Predator II mini-cellular media cartridge filters