Home » Octomarine Products » Filters » Specialised » Spa » Spa Filter UHD-SR50 / PSR50 / FC-2530 Spa Filter UHD-SR50 / PSR50 / FC-2530 Spa / Pool Filter Unicel UHD-SR50 compatible with Pleatco PSR510, Filbur FC-2530. DetailsSpecifications Spa / Pool Filter Unicel UHD-SR50 compatible with Pleatco PSR510, Filbur FC-2530. Length 13 5/16″, Diameter 8 11/16″, Open Hole 4 3/16″. The top and the bottom of the cartridge open with 12 slots concentric. Octo Marine Code PSR50 Brand Codes No Manufacturer Octo Marine Compatible Octo Marine Micron Sizes Length 13 5/16″, Diameter 8 11/16″, Open Hole 4 3/16″ Sizes Length 13 5/16″, Diameter 8 11/16″, Open Hole 4 3/16″ Options Also compatible with UHD-SR50 / FC-2530 Product Uses – Contact Us About this Product Similar Products Sea Recovery/ HRO MK3 Pre-FilterFilters, Particle, Pleated Sea Recovery / HRO MK1 Pre-FilterFilters, Particle, Pleated 9 3/4″ X 2 1/2″ Pleated FilterFilters, Particle, Pleated 20″ X 4 1/2″ Pleated Particle FilterFilters, Particle, Pleated 20″ X 2 1/2″ Pleated Particle FilterFilters, Particle, Pleated 10″ X 4 1/2″ Pleated Particle FilterFilters, Particle, Pleated Product Your Name Email Address Phone Comments 5 + 12 = SEND