This Replacement filter cartridge replaces Unicel # C-8380 and Filbur # FC-2810 and meets the OEM # 6540-401 specifications. It has 2 ½ inch hole at the bottom while 2 inch at the top. It is able to handle the top load of 80 square foot and is best fit for Sundance Spas – MicroClean. You get clean and clear water for your spas by installing this filter cartridge. It is very easy to install filter and made of superior quality of material.
Interchangeable Part Numbers