Waterdrop RO system | Traditional RO system | |
---|---|---|
Tankless design | ✔ | ✖ |
Flow rate | 400GPD | 50GPD |
Smart leakage protector | ✔ | ✖ |
3s filter change time | ✔ | ✖ |
Drain ratio | 1 : 1 | 1 : 3 |
Real-time Water Quality Display | ✔ | ✖ |
Waterdrop G3 RO System 1-year Combo Sets, with Smart Display Faucet
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- 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.


- Reduces chlorine, taste and odor, and many heavy metals, such as hexavalent chromium.
- Improves the taste of water. Carbon block is made from supreme coconut shell, ensuring that you enjoy ultra-fresh, healthy, great-tasting drinking water.
- The reverse osmosis water system is built with a smart display faucet.
- The TDS monitor tells you the quality of your filtered water.
- The filter life tracker shows how soon you need to replace your filter.
- You can enjoy an improved water-using experience and a convenient lifestyle.


- Free up 70% of under-sink space, leaving your kitchen clean and organized.
- Waterdrop reverse osmosis system saves 4X water compared to conventional RO systems.


- Waterdrop G3 RO system can be installed in 30 minutes, and the filter can be changed in just 2 seconds.
- There’s no need to move the system, nor is there a need for tools.
- The highly efficient pure water flow of 400 GPD allows you to fill a cup of water in just 12 seconds
- Water flows faster than in ordinary RO systems.
- No more waiting for crisp water. Immediate filtration, water is always fresh!


- To maintain and extend the life expectancy of the filters, the system will be automatically flushed for 20 seconds after working for two hours.
- When power is restored after a blackout, the system will be forced to flush automatically for 20 seconds.
- The system will ensure fresh water by flushing automatically every time you shut off the tap for 5 minutes.
- To ensure fresh and healthy filtered drinking water, the G3 Reverse Osmosis System is automatically flushed when no water is dispensed for 12 hours.
- Please refer to this diagram and be informed that you need to drill a hole on your countertop to place the smart faucet (No need for this step if your countertop already has a hole). Besides, an adapter will be installed on your household water tubing to connect to RO system’s wastewater tubing and input water tubing.
- Electricity is required to run the RO system.
- We do not recommend using well water as source for our RO systems. We do not recommend connecting tankless RO to a refrigerator or ice maker.
- It's highly recommended to install our RO system with components provided by Waterdrop. Installing the system with any parts or accessories that are not provided by Waterdrop may cause the system to malfunction or shorten the lifetime of the system/filters.


- The remineralization filter can connect to all types of under sink water filter systems. By adding one filter, you can enjoy remineralization water with a refreshing taste. Please click here to purchase this add-on filter.
![]() G3 RO Filtration System |
![]() G3P800 RO Filtration System |
![]() D6 RO Filtration System |
![]() D4 RO Filtration System |
![]() G2P600 RO Filtration System |
![]() G2MNR RO Filtration System |
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Need Installation | √ | √ | √ | √ | √ | √ |
---|---|---|---|---|---|---|
Beneficial Minerals | × | × | × | × | × | √ |
Flow Rate | 400 GPD | 800 GPD | 600 GPD | 400 GPD | 600 GPD | 400 GPD |
Pure to Drain Rate
![]() Drain ratio stands for the ratio of wastewater and purified water dispensed by a RO system. For example, the 3:1 drain ratio means it uses up a gallon of wastewater for every 3 gallons of pure water you get.
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Faucet | Smart faucet | Smart faucet | Smart faucet | Ordinary faucet | Ordinary faucet | Ordinary faucet |
Display | Filter lifespan & TDS | Filter lifespan & TDS | Filter lifespan & TDS | Filter lifespan | Filter lifespan | Filter lifespan |
Self-clean | √ | √ | √ | √ | × | × |
Holiday mode | √ | √ | √ | × | × | × |
Electricity Required | √ | √ | √ | √ | √ | √ |
Filter Cartridges |
WD-G3-N1CF WD-G3-N2RO WD-G3-N3CB |
WD-G3-N1CF WD-G3P800-N2RO WD-G3-N3CB |
WD-D6RF |
WD-D4RF |
WD-G2CF WD-G2P6MRO |
WD-MNR35 WD-G2CF WD-G2MRO |
Noise(≤) | 65dB | 65dB | 55dB | 55dB | 55dB | 55dB |
Filter Lifespan | CF-6 Mths CB-12 Mths RO-24 Mths |
CF-6 Mths CB-12 Mths RO-24 Mths |
12 Mths | 12 Mths | CF-12 Mths P6MRO-24 Mths |
MNR-12 Mths CF-12 Mths MRO-24 Mths |
Dimensions (inch) | 18.11*5.67*17.72 | 18.11*5.67*17.72 | 15.98*5.98*11.97 | 16.02*6.22*12.44 | 17.32*5.91*13.9 | 17.32*5.91*13.9 |
![]() WD-G3-N1CF |
![]() WD-G3-N2RO |
![]() WD-G3-N3CB |
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Filtration Media | PP Cotton and Cotton Block | Reverse Osmosis Membrane | Activated Carbon Block |
---|---|---|---|
Filter Lifespan | 6 months or 550 gallons | 24 months or 2,200 gallons | 12 months or 1,100 gallons |
Size (Diameter * Height) | 3.3"*12.1" | 4.3"*15" | 2.6"*12.1" |
Compatible Model | WD-G3-W | WD-G3-W | WD-G3-W |