This Reverse Osmosis (RO) water filtration system removes up to 99% of over 1,000 harmful contaminants like chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, calcium, sodium, and more. Equipped with an electric booster pump, this system enables standard RO performance regardless of pressure variations; delivering higher throughput with less wastewater in comparing to pumpless models. The UV stage comes with a smart Flow Sensor Switch turns the UV unit on and off with 3 minutes delay automatically with water flow, thereby saving power and lengthening the life of the UV lamp. This system is also equipped with a European-Style brushed nickel kitchen faucet with the rust-free finish.