[Advanced Filtration & Hot Water] The Waterdrop K6 is an all-in-one RO system with instant heating, delivering purified water and precise-temperature hot water (104°F-203°F) on demand — perfect for soups, coffee, tea, oatmeal, and more. [High Capacity & Flow Rate] The K6 delivers a powerful 600GPD (gallons per day) capacity and fast hot water flow, outperforming standard under-sink RO systems to meet both your water purification and instant hot water demands. [Deep Filtration] Tested by a third-party lab, the 5-in-1 filter reduces harmful substances such as TDS, fluoride, heavy metals, and more impurities, ensuring pure water every time. See WD-K6 RO system test results for more. Additionally, the K6 prevents limescale buildup inside, reducing the need for frequent cleaning and ensuring long-lasting performance. [Smart Display Faucet] The high-end faucet displays TDS level & filter condition, with temperature adjustment at your fingertips for smart & convenient life experience. [Safety First] K6 automatically monitors water purification and includes child lock & water dispensing temperature indication features to avoid scalding risks. Built-in flowmeter, NTC & heating overtime protection function prevent dry burning.