Waterdrop reverse osmosis system is tested and certified against NSF/ANSI standard 58, the TDS reduction rate is up to 91.9%.

Tested and certified against NSF/ANSI standard 372, Waterdrop RO system employs lead-free materials, giving you a safe product.

G3 RO system passed 400+ chemical lab tests, which proves that this system does not contain most chemical substances.