Pentair OMNIFilter USM2-S-S18 Filtration System, 3/8 in Water Inlet, 1-Stage

Activated carbon filter cartridge removes chlorine and odors to give you great tasting water right from the tap rather than from a dedicated faucet. Offers a greater flow rate than some other filter media to filter all cold water from existing kitchen faucet. Includes installation hardware, No OW1 filter tank wrench and No GAC1 filter cartridge. No CB1 filter cartridge and No K4 replacement O-ring sold separately.