Pentair Lock Ring Rainbow Pool Chlorinator & Certain Leaf Trap/Filters R172214

Genuine Pentair Dynamic Series I-Model RDC Lock ring

• Lock ring replacement
• Fits Pentair Dynamic series I, II RTL/RCF, III RTL/RCF and V in-line pool and spa cartridge filter models: RDC-25, RDC-255, RDC-50, RDC-50S, DSC 75, DSC 100
• Fits Pentair pool and spa leaf trap models: 179, 179-HDB, 179-C, 179C HDB
• Compatible with Pentair Rainbow high capacity automatic chlorine/bromine pool and spa feeder models: HC-3315, HC-3330, HC-3340
• Fits Pentair Predator II mini-cellular media cartridge filters