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Marquis Spa 50 Sq Ft Filter Cartridge FC-3638

Availability: In Stock

Regular Price: $46.99

Sale Price $34.99

You Save: $12.00  (25%)

Quick Overview

**** These filters measure 14-3/4 inches in length. To ensure you are ordering the correct filters please measure your existing filters for a match.****

This replacement hot tub filter cartridge is compatible with and fits Marquis Spas, Hideaway, Everyday and other hot tubs. These filters meet or exceed the original filters that came with your spa and are made from Reemay spun-bound polyester pleated filter media that features anti-microbial technology which prevents microbes such as mold, fungus, and bacteria from growing on your filters. This filter cartridge is a recommended replacement for the Marquis 37-0217 Filter Cartridge.


These replacement hot tub filters are compatible with Marquis part number 17-B1165, Filbur part number FC-3638, Unicel part number C-5346 and Pleatco part number PPM50. These filters are also 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.


  • Replaces Marquis Spas part number 37-0217
  • Also fits Hideaway Hot Tubs, Everyday Hot Tubs & others
  • Length: 14-1/8"
  • Diameter: 5-3/16"
  • Top: Closed
  • Bottom: 1-5/8" Opening
  • Square Feet: 50
  • Unicel part number C-5346
  • Pleatco part number PPM50
  • Filbur part number FC-3638
  • This is not an original Marquis filter cartridge


To clean your pool 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 pool filter per your manufacturer’s instructions.

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

Length: 14-1/8"
Diameter: 5-3/16"
Top: Closed
Bottom: 1-5/8" Opening
Square Feet: 50

SKU APCC7186 / PLE-051-9544
Manufacturer Part # 37-0217
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