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Marquis Spa Filter Cartridge 35 Sq Ft FC-3623

Availability: In Stock

Regular Price: $35.99

Sale Price $26.99

You Save: $9.00  (25%)

Quick Overview

**** These filters measure 11-7/8 inches in length. To ensure you are ordering the correct filters please measure your existing filters for a match.****

This replacement Marquis hot tub filter cartridge replaces the 120 Sq Ft Marquis 370-215 and 20045 Filter Cartridges. This filter meet or exceed the original Marquis filter cartridge that came with your hot tub and is 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 spa filter cartridge is a recommended replacement for the Marquis 370-215 and 20045 Filter Cartridges.


These replacement Sundance spa filters are identical to Marquis Spas part numbers 370-215 and 20045, Filbur part number FC-3623, Unicel part number C-5423 and Pleatco part number PPM35TC. 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.

  • Replaces Marquis Spas part numbers 370-215 & 20045
  • Length: 11-7/8"
  • Diameter: 5-3/16"
  • Top: Closed
  • Bottom: 1-5/8" Opening
  • Square Feet: 35
  • Filbur part number FC-3623
  • Unicel part number C-5423
  • Pleatco part number PPM35TC
  • Cross Reference: PPM35, 13401, 609485
  • This is not an original Sundance 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: 11-7/8"
Diameter: 5-3/16"
Top: Closed
Bottom: 1 5/8" Opening
Square Feet: 35

SKU APCC7109 / PLE-051-9541
Manufacturer Part # 370-215