• Pre-sediment and carbon block. Superior 3-in-1 composite filter.
• Removes chlorine, taste and odor, sand, rust, solids, and other impurities.
• Simple replacement: Takes only 3 seconds and just a twist to change the filter.
• Provides up to 6 months or 550 gallons of clean water.

NSF 58 & 372 certified

Waterdrop reverse osmosis water filter 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.