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Softub, Dolphin, Leisure Bay Spa Filter Cartridge 25 Sq Ft FC-0305

Availability: In Stock

Regular Price: $32.99

Sale Price $24.99

You Save: $8.00  (24%)

Quick Overview

**** These filter cartridges measure approximately 5-1/2 inches in length. To ensure you are ordering the correct filters please measure your existing filters for a match.****

This Pleatco 25 sq ft replacement hot tub filter cartridge is compatible with Softub, Dolphin and Leisure Bay spas among others. These filters meet or exceed the original filters that came with your hot tub 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.


These replacement spa and hot tub filter cartridges are identical to Filbur part number FC-0305, Unicel part number 6CH-25 and Pleatco part number PTL20W-SV-P-4. 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.

  • Used in Softub, Dolphin and Leisure Bay spas
  • Length: 5-1/2"
  • Diameter: 6"
  • Top: Handle
  • Bottom: 1-1/2" MPT (Male Pipe Threads)
  • 25 Square Feet
  • Filbur part number FC-0305
  • Unicel part number 6CH-25
  • Pleatco part number PTL20W-SV-P-4
  • Cross Reference: 609557, PTL20W-SV, 90-802, 645544003058


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

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

Length: 5-1/2"
Diameter: 6"
Top: Handle
Bottom: 1-1/2" MPT (Male Pipe Threads)
Size: 25 Square Feet

SKU APCC7077 / PLE-051-9616
Manufacturer Part # FC-0305
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