Rec Warehouse Rainbow 75 Sq Ft Spa Filter Cartridge FC-2971

These replacement spa and hot tub filter cartridges are identical to Rec Warehouse / Rainbow part number R173600, Waterways part number 817-0015, Filbur part number FC-2971, Unicel part number C-5374 and Pleatco part number PLBS75. These filters are constructed with thermally bonded polyurethane caps and a punched PVC pipe core that will ensure consistent water flow through your filters along with the durability you depend on.

Fits spas from the following manufacturers:

Leisure Bay, Rec Warehouse, Rainbow, Waterways


To clean your spa filter remember these 4 simple steps; rinse, soak, rinse, dry. Rinse your filter out with a garden hose to remove any debris or dirt still attached to your filter. Next, soak your filter in a filter cleaner solution overnight then remove your filter from the solution and rinse with a garden hose. Set your filter in a sunny location and let it air dry completely. Finally, reinstall your spa filter per your manufacturer’s instructions.

More Information
Delivery Time 2-5 Business Days
Manufacturer Pleatco
Technical Specs

Length: 14 11/16"
Diameter: 5 15/16"
Top: 2 1/8" Opening
Bottom: 2 1/8" Opening
Size75 Square Feet

SKU APCC7256 / PLE-051-0076
Manufacturer Part # R173600
Product Features
  • Replaces Pentair / Rainbow cartridge # R173600
  • Replaces Waterway cartridge # 817-0015
  • Fits Pentair / Rainbow & Waterways Top Load Skim Filter
  • Fits Leisure Bay / Rec Warehouse S2 / G2 Spas
  • Length: 14 11/16"
  • Diameter: 5 15/16"
  • Top: 2 1/8" Opening
  • Bottom: 2 1/8" Opening
  • 75 Square Feet
  • Filbur part number FC-2971
  • Unicel part number C-5374
  • Pleatco part number PLBS75
  • Cross Reference: 645544029713
  • This is not an original Rainbow cartridge
In stock
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