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Spa Filter Cartridge 19 Sq Ft, 8 inch FC-0121, 4CH-21

Availability: In Stock

Regular Price: $29.99

Sale Price $21.99

You Save: $8.00  (26%)

Quick Overview

This Pleatco spa filter cartridge is compatible with and fits Vita Spas, Alcove, Atera (Four Seasons), Pageant and Saratoga hot tubs and spas. These filters meet or exceed the original filters that came with your filter 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 Saratoga Spas 20245-238 Spa Filter Cartridge.


These replacement hot tub filters are compatible with Saratoga part number 20245-238, Filbur part number FC-0121, Unicel part number 4CH-21 and Pleatco part number PTL18. 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.

  • Length: 8"
  • Diameter: 4-5/8"
  • Top: Handle
  • Bottom: 1-1/2" Male Pipe Threads
  • Square Feet: 19
  • Filbur part number FC-0121
  • Unicel part number 4CH-21
  • Pleatco part numbers PTL18, PTL18P-4
  • Cross Reference: 609568, 20245-238 & 645544001214
  • Compatible with Vita Spa, Atera, Saratoga, Alcove, Pageant Spas and others


To clean your filter cartridge just 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: 8"
Diameter: 4-5/8"
Top: Handle
Bottom: 1-1/2" Male Pipe Threads
Square Feet: 19

SKU PLE-051-9615 / APCC7048
Manufacturer Part # 20245-238
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