Waterdrop CoreRO Countertop Reverse Osmosis System, Reverse Osmosis Water Filter Countertop, 5 Stage, Portable Pure Water Tank, No Installation, NSF/ANSI 372 Certified, 3:1 Pure to Drain

【6-Stage Countertop RO System】NSF/ANSI 58 & 372 certified reverse osmosis system with 0.0001μm RO membrane, effectively reduces TDS, chlorine, fluoride, arsenic, lead, and more for safe, healthy drinking water. 【Smart Touch Screen】Real-time TDS display and filter life reminder with 5 adjustable water volumes. Easy to customize your preferred water setting for daily use. 【Compact Plug-and-Play Design】No installation required—simply plug in and enjoy pure water. Perfect for kitchen, office, dorm, or bedroom countertops. 【Efficient & Long-Lasting Filter】3:1 pure-to-drain water ratio saves water while the composite filter lasts up to 12 months. Quick, tool-free replacement in just seconds. 【Detachable Water Tank】Portable 34oz pure water tank fits easily into the refrigerator for flexible hydration anytime. Convenient for family or personal use.