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Waterdrop G2 Reverse Osmosis System, 400 GPD Tankless RO Water Filtration | 7 Stage RO Water Filtration, NSF/ANSI 372 Certified, Under-Sink Water Filtration System, 1:1 Pure to Drain, TDS Reduction

ASIN B082CZ9XZ9Image via Amazon

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Waterdrop G2 Reverse Osmosis System, 400 GPD Tankless RO Water Filtration | 7 Stage RO Water Filtration, NSF/ANSI 372 Certified, Under-Sink Water Filtration System, 1:1 Pure to Drain, TDS Reduction

  • NSF/ANSI 372 Certified
  • 7 Stage Filtration & effective filtration
  • 400 GPD & 1:1 pure to drain ratio
  • Innovative tankless design
Price on Amazon

$239.99

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Price as of Oct 16, 2026, 7:47 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.

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From the listing

Key features

01

NSF/ANSI 372 Certified

400 GPD & 1:1 low drain ratio & Tankless Design & Easy installation. Two filters are included in the package. Search "Waterdrop G2CF" and ''Waterdrop G2MRO' for replacement filters

02

7 Stage Filtration & effective filtration

The G2 system is certified by NSF/ANSI 372 for lead-free materials. The G2 RO System adopts a composite filter result in more effective filtration.

03

400 GPD & 1:1 pure to drain ratio

The Waterdrop G2 reverse osmosis system offers a fast water flow rate of up to 400 GPD. Get a cup of filtered water in about 12 seconds, satisfying your needs while saving time. Compared to the ordinary RO system, the Waterdrop RO system always has a stable water flow. This tankless RO has a low drain ratio of 1:1 and saves water waste by 300%

04

Innovative tankless design

The tankless design ensures the safety of your family’s drinking water. It also saves over 70% more under-sink storage space than does the ordinary RO system. Note that this reverse osmosis system requires under-sink electricity

05

Integrated product design

The advanced integrated design of the electrical and water circuits reduces leakage. The airtight housing reduces noise, while the process of installing and replacing the filter is faster and more convenient than with other filters. Due to the filters’ twist-and-pull design, you can replace them in 3 seconds. The installation of the RO System takes less than 30 minutes. NOTE: An electrical outlet and drilling holes is required to operate it

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Waterdrop G2 Reverse Osmosis System, 400 GPD Tankless RO Water Filtration | 7 Stage RO Water Filtration, NSF/ANSI 372 Certified, Under-Sink Water Filtration System, 1:1 Pure to Drain, TDS Reduction

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