Unicel Cartridge [23 sqft 3" OB 3" OT 6-1/2" 17" 4oz] (C-6617) harwil Waterway union assembly

Waterway union assembly

Useful when the original screws are worn or missing

Helps support proper internal flow distribution

For compatible larger rigid plumbing applications

Designed for compatible suction and circulation applications

Unicel Cartridge [23 sqft 3" OB 3" OT 6-1/2" 17" 4oz] (C-6617) harwil Waterway union assemblyThe 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