Additional Details ------------------------------ Product description: The 3M High Flow Series Replacement Cartridge, Model HF65-S provides consistent quality water by reducing particulate* and chlorine taste and odor. The Sanitary Quick Change (SQC) encapsulated cartridge design allows for fast and easy cartridge change-outs without the need for a filter wrench. Our 3M High Flow Series Replacement Cartridge, Model HF65-S provides consistent quality water by reducing particulate* and chlorine taste and odor. Built-in scale inhibition can help to prevent the potentially harmful effects of scale build-up on equipment. Integrated Membrane Pre-Activated Carbon Technology ("I.M.P.A.C.T.") filtration media combines a membrane with a premium activated carbon block to provide excellent throughput and cartridge life. Our Sanitary Quick Change (SQC) encapsulated cartridge design allows for fast and easy cartridge change-outs without the need for a filter wrench. Cartridge replacement recommended every six months. Micron Rating*: 1 Capacity: 35,000 Gallons Flow Rate (GPM): 3.34 GPM *Micron Rating refers to the size of particles the cartridge will block.