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Sta-Rite WC108-57S2X Posi-Flo II PTM70 and TX70 Filter Cartridge - FC-2540

Availability: In Stock

Regular Price: $79.99

Sale Price $64.99

You Save: $15.00  (18%)

Quick Overview

****These filters measure 18-3/16 inches in length. To ensure you are ordering the correct filters please measure your existing filters for a match.****

This replacement Sta-Rite pool filter cartridge by Filbur is compatible with and fits the Sta-Rite PTM70 Posi-Clear II and TX70 swimming pool filters. These filters meet or exceed the original Sta-Rite 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 Sta-Rite WC108-57S2X Filter Cartridge.



These replacement Sta-Rite pool filter cartridges are compatible with Sta-Rite part numbers PTM70, WC108-57S2X and TX70, Filbur part number FC-2540, Unicel part number UHD-SR70 and Pleatco part number PSR70. 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 Sta-Rite Posi-Flo II PTM70 and TX70 filters
  • Replaces Sta-Rite number WC108-57S2X
  • Diameter: 8-11/16"
  • Length: 18-3/16"
  • Top: Open Hole:   4-1/8"
  • Bottom: Open Hole:   4-1/8"
  • Filter Area: 70 sq. feet
  • Filbur part number FC-2540
  • Unicel part number UHD-SR70
  • Pleatco part number PSR70
  • This is not a factory original Sta-Rite cartridge


To clean your pool 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 Filbur
Technical Specs

Diameter: 8-11/16"
Length: 18-3/16"
Top: Open Hole: 4-1/8"
BottomOpen Hole: 4-1/8"
Filter Area: 70 sq. feet

SKU APCC7220 / SPG-051-2061
Manufacturer Part # WC108-57S2X
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