Home » Octomarine Products » Filters » Specialised » Spa » Spa Filter C-5397 / FC-2972 / PLBS100 Spa Filter C-5397 / FC-2972 / PLBS100 Pool / Spa Filter Unicel C-5397 compatible with replacement filter Filbur FC-2972, Pleatco PLBS100. DetailsSpecifications Pool / Spa Filter Unicel C-5397 compatible with replacement filter Filbur FC-2972, Pleatco PLBS100. Length 17 3/4″, Diameter 5 5/16″, Open Hole 2 1/8″. The top and the bottom of the cartridge open. Octo Marine Code C-5397 Brand Codes N/A Manufacturer Octo Marine Compatible Octo Marine Micron Sizes N/A Sizes N/A Options N/A 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 2 + 4 = SEND