Pentair R172214 Predator II/Rainbow Filter Lock Ring


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  • Genuine Pentair brand replacement parts
  • Lock ring
  • Used with the following Pentair Filters: Predator II Mini-Cellular Media, Dynamic Series I Model RDC, Dynamic Series II and III RTL/RCF and Dynamic Series V DSC/SWS
  • Used with the following Pentair Maintenance Products: Leaf Traps Model 179/179C
  • Used with the following Pentair Chemical Feeders: High Capacity Automatic Feeders HC-3315, HC-3330, HC-3340

This lock ring is designed to use with 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 and also compatible with Pentair pool and spa leaf trap models 179, 179-HDB, 179-C, 179C HDB. Also fits Pentair Rainbow high capacity automatic chlorine/bromine pool and spa feeder models HC-3315, HC-3330, HC-3340 and Pentair Predator II mini-cellular media cartridge filters. Measures 7 19/50-inch length by 1 21/50-inch height by 7-3/20-inch width.

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  • Under normal circumstances, we try to ship all orders within three business days of payment, normally sooner.
  • We use a selection of shipping services such as UPS, FedEx, USPS, etc
  • We only ship to the lower 48 states, we do not ship to Alaska/Hawaii, US Protectorates, Puerto Rico, and PO Boxes.
  • Local pickups and combined shipping options are not available at this time.


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  • We are confident in our products, but if you are not fully satisfied with your order, please contact us within 30 days of purchase, and we will send you a return label. Once the item is returned we will issue you a full refund.
  • The product must be returned in the original item's box, and the same condition as you received it.




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