The Waterdrop G3P800 is a tankless under sink reverse osmosis system delivering 800 GPD fast flow with a 3:1 pure-to-drain ratio, certified by NSF/ANSI 42, 53, 58, and 372 for safety and performance. Featuring 10-stage filtration tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants while providing a cup of purified water in just 5 seconds. Its smart faucet displays TDS levels and water quality at a glance, with a long-lasting LED light that activates automatically with water flow. With a stylish, space-saving design, the G3P800 consistently produces clean, safe water for large families without the need for a storage tank Extra WD-MNR35 WD-G3-N1CF Water Filters