Everpure EV9607-10 ESO 6 Cartridge

Unique three-stage blending cartridge provides softened/buffered/filtered water. Utilizes ion exchange resin with buffering capabilities and high capacity coconut carbon filtration. Small amount of carbon filtered water bypasses softening resin to allow proper initial hardness. Buffering prevents water from becoming too acidic. Reduces hardness in water that can cause minerals to build up in coffee and espresso equipment. Reduces minerals such as calcium and magnesium and chlorine taste and odor. Replace cartridge at least once a year. This is an aftermarket filter.