Home » Octomarine Products » Filters » Specialised » Spa » Spa Filter C-4326 / PRB25-IN / FC-2375 Spa Filter C-4326 / PRB25-IN / FC-2375 Pool / Spa Filter Unicel C-4326 compatible with replacement filter Pleatco PRB25-IN, Filbur FC-2375. DetailsSpecifications Pool / Spa Filter Unicel C-4326 compatible with replacement filter Pleatco PRB25-IN, Filbur FC-2375. Length 13 5/16″, Diameter 5″, Open Hole 2 1/8″. The top and the bottom of the cartridge open. Octo Marine Code 97000756 Brand Codes C-4326 / PRB25-IN / FC-2375 Manufacturer Octo Marine Compatible Octo Marine Micron Sizes No Sizes Length 13 5/16″, Diameter 5″, Open Hole 2 1/8″ Options Also compatible with PRB25-IN / FC-2375 Product Uses – Contact Us About this Product Similar Products Everpure AC Filter CompleteEverpure, Specialised Spa Filter UHD-SR50 / PSR50 / FC-2530Spa, Specialised Spa Filter UHD-SR137 / FC-2571 / PSR137Spa, Specialised Spa Filter PIC10 / FC-0180Spa, Specialised Product Your Name Email Address Phone Comments 4 + 5 = SEND