ZeroWaterThe Culligan Faucet Mount Filtration System delivers better tasting drinking water and with its superior carbon fiber technology, the Culligan Faucet Mount system is WQA certified to reduce PFOA/PFOS, Chlorine & Particulates Class I. The filter lasts up to 4 months or 300 gallons, which is 3x long than leading competitive brands. This filtration system has also been 3rd party tested for up to 98% lead reduction.81638039851510006804