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Sta-Rite WC108-58S2X Posi-Flo II PTM100 and TX100 Filter Cartridge - FC-2550

Availability: In Stock

Regular Price: $99.99

Sale Price $83.99

You Save: $16.00  (16%)

Quick Overview

**** These filters measure 25-11/16 inches in length. To ensure you are ordering the correct filters please measure your existing filters for a match.****

This Unicel pool filter cartridge is compatible with and fits the Sta-Rite PTM100 Posi-Clear II and TX100 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 WC108-58S2X Filter Cartridge.


These replacement Sta-Rite pool filters are compatible with Sta-Rite part numbers PTM100, WC108-58S2X, 100TXR and TX100, Filbur part number FC-2550, Unicel part number UHD-SR100 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 PTM100, 100TXR and TX100 filters
  • Replaces Sta-Rite number WC108-58S2X
  • Diameter: 8-11/16"
  • Length: 25-11/16"
  • Top Open Hole: 4-3/16"
  • Bottom Open Hole: 4-3/16"
  • Filter Area: 100 sq. feet
  • Filbur part number FC-2550
  • Unicel part number UHD-SR100
  • Pleatco part number PSR100-4
  • 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 Unicel
Technical Specs

Diameter: 8-11/16"
Length: 25-11/16"
Top Open Hole: 4-3/16"
Bottom Open Hole: 4-3/16"
Filter Area: 100 sq. feet

SKU APCC7294 / UNI-60-5224
Manufacturer Part # WC108-58S2X
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