CB1-SS6-S06 OmniFilter Undersink Water Filter CartridgeProudly made in the USA to fit with any brand of undersink water filtration system that uses 9 3 4 x 2 1 2 inch filter cartridges, the CB1 SS6 S06 from OmniFilter helps reduce sediment, cysts, corrosion and chlorine taste. For best results, this cartridge should be replaced at least once every six months, based on your water quality and usage. A genuine OE part from OmniFilter. Order the CB1 SS6 S06 OmniFilter undersink water filter cartridge you need