*DO NOT remove the pitcher during flushing. Keep the pure pitcher on the unit during flushing and use. [7-Stage Filtration]: The Waterdrop M6H Instant Hot reverse osmosis water filter features a 0.0001μm RO membrane and LED function. It reduces TDS, PFOA, PFOS, Nitrate, Fluoride, Arsenic, Lead, and more, providing you with healthy water *Tested by a third-party laboratory [Customizable Temperature and Volume]: The RO water filtration system provides filtered water from room temperature to 203°F. Five preset temperature options for instant hot water: room-temp for daily drinking, 113°F for baby formula, 185°F for tea, 199°F for coffee, and 203°F for oatmeal. Perfect temperatures, ready in seconds. You can also adjust the volume from 4oz to MAX for your convenience DO NOT have a cooling function. *This system only provides room temperature water and hot water. [Separates Tap and Waste Water]: This reverse osmosis system countertop has a large 185oz tank: 135oz for tap water and 50oz for waste water. With a 3:1 pure to drain water ratio, the two types of water are kept 100% separate, eliminating any risk of contamination. The waste water can be recycled for watering plants, cleaning surfaces, or mopping floors — saving water, money, and helping the environment [NFC One-Tap Support]: With an NFC label on the unit, simply turn on NFC on your phone and tap to instantly open a smart guide for your RO water filtration system. Watch installation videos, find FAQs, or contact customer support — everything you need for easy setup and everyday use, right at your fingertips [Detachable Glass Pitcher]: Our 40 oz detachable glass pitcher is made of BPA-free material, preventing chemical harm. It's perfect for storing in the fridge, cooking, or pouring water for pets *The glass pitcher is from Maxblue Brand [Installation-Free]: This Waterdrop M6H reverse osmosis water filter works anywhere — just fill the feed water tank, plug in, and enjoy pure water in kitchens, offices, or even RVs Waterdrop M6H Instant Hot Reverse Osmosis System Countertop Water Filter, 7-Stage, 3:1 Pure to Drain, Hot Water Dispenser with 5 Temperature Options, RO System with Glass Pitcher, BPA-Free