High-Efficiency Water Purification: Our reverse osmosis system employs a combination of PPC + RO filters, achieving a filtration precision of up to 0.0001 μm, effectively filtrate 99.99% of impurities from tap water. It has been certified by multiple internationally recognized standards. One-Year Replacement-Free: The water filter consists of two replaceable cartridges. The PPC filter has a lifespan of 1 year, composed of PP cotton and carbon rods, designed to intercept residual sediments in water, including rust and large particles. The RO filter lasts up to 2 years and primarily intercept TDS and other contaminants. 2:1 Water Efficiency: Our under-sink reverse osmosis system features a high-capacity 600GPD output, ensuring a full glass of water in just 8 seconds, with no long waiting time. The pure-to-wastewater ratio is 2:1, outperforming many similar water purifiers on the market, saving both water and your utility bills. Compact Design & Smart Alerts: Our tankless reverse osmosis system is compact and sleek, offering a clean and aesthetically pleasing look without complicated plumbing. The system features a yellow indicator light to alert you when it’s time to replace the filter. Simply press a button to eject the filter - no complicated twisting required. Durable Faucet: We provide a classic-style faucet made of 304 stainless steel, ensuring long-term use after installation. With no complicated setup, the blue light beneath the faucet clearly indicates that you can confidently drink the filtered water. Receive a 1-year warranty and lifetime support, any problems can be solved by contacting us.