Waterdrop K6 Under-sink Reverse Osmosis Instant Hot Water Filter Dispenser with 600GPD Membrane adopts 5-stage Efficient Filtration, which can achieve excellent filtration to guard health of household drinking water. It meets various temperature demands and breaks through a conventional under sink RO water purification mode; it has a high capacity of 600 GPD and a high hot water flow rate of 0.4 Gal./minutes, meeting your demands for water purification and hot water. Dispensing 2 cups of pure water will produce only 1 cup of waste water. Waterdrop K6 RO instant hot water filter system allows step-less temperature adjustment in the range of 104°F to 203°F, which is an ideal choice for cooking soup, making instant coffee, tea and oatmeal or other household tasks. The KJF filter uses a 0.0001 mic reverse osmosis membrane to effectively intercept TDS, salt, nitrates, PFAS, fluoride and heavy metals, etc. By means of a touch digital display faucet, the TDS level and the filter condition are available at a glance. The product allows temperature adjustment, bringing a smart and convenient life experience.