Unicel Cartridge [23 sqft 3" OB 3" OT 6-1/2" 17" 4oz] (C-6617) harwil A reel base stand helps

A reel base stand helps support the framework of a compatible cover reel system

This makes it a strong choice for both functional replacement and cosmetic refresh work

For compatible larger rigid plumbing applications

A dedicated wrench changes that by engaging the part more effectively and helping the work stay focused and cleaner

Unicel Cartridge [23 sqft 3" OB 3" OT 6-1/2" 17" 4oz] (C-6617) harwil A reel base stand helpsThe Unicel filter cartridge is designed for compatible filtration applications where dependable particulate capture is needed. A filter cartridge is useful because it helps remove suspended debris from circulating water, supporting clearer water quality and more consistent system performance. This replacement is especially useful when the original cartridge is clogged, damaged, worn, or no longer filtering efficiently. Matching the correct 23 square