Everpure 4CB5-S Replacement Water Filter Cartridge - Scale & Particulate ReductionThe Everpure 4CB5 S Filter Cartridge is a high performance solution for commercial coffee, ice, and beverage machines. Utilizing carbon block technology, it effectively reduces chlorine taste and odor while filtering out particulates down to 5 microns. The "S" model includes a specialized polyphosphate scale inhibitor, which prevents mineral buildup in machine internals, ensuring consistent water flow and protecting expensive equipment from hard water