Waterdrop RO G3 Reverse Osmosis Drinking Water Filtration System WD-G3-W 400?? Waterdrop G3 Reverse Osmosis System, NSF Certified, Tankless RO Water Filter System, Under Sink RO System, TDS Reduction, 400 GPD, Smart LED Faucet, UL Listed Power, FCC Listed, USA Tech.Please feel free to ask any questions. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters". The seller is "skater5269" and is located in this country: US. This item can be shipped to United States.