- 800GPD Rapid Flow Upgrade your water purification with our 800GPD high-speed tankless reverse osmosis system. Built for family efficiency, it delivers fast, healthy water flow, providing instant pure hydration at home.
- 9-Stage Precision Filtration WD-X8 reverse osmosis system uses a 9-stage precision filtration process, including a durable 0.0001μm RO membrane with 16 layers. Tested by SGS, it effectively reduces TDS, PFOA, PFOS, chlorine, fluoride, lead, and other impurities, ensuring clean, healthy water. It’s also NSF/ANSI 42, 58, and 372 certified for top-tier safety and quality.
- Tankless Design & Easy Installation Featuring a compact tankless design, this system saves under-sink space and can be installed in just 30 minutes with a simple DIY process, making it ideal for any household.
- Eco-Friendly Water Solution Waterdrop undersink RO system offers an efficient 2:1 pure to drain ratio, conserving water resources. With a 24-month RO filter lifespan, it reduces replacement frequency and supports a greener planet while ensuring a steady supply of clean water.
- Smart Faucet & Sleek Design Equipped with a smart digital faucet, this system allows precise water output and displays TDS levels and filter life, making it easy to monitor water quality in style.

Upgrade Filtration:
Go Healthier







Professional
9-stage Filtration
- This undersink RO water filter system can effectively reduce Chloride, Lead, TDS, Fluoride, PFOA, PFOS, Sand, Odor, Taste, Salt, Heavy metals, Particles and more impurities in your water.
Make Your Kitchen
Looks Bigger!
- Revolutionize your kitchen with our advanced reverse osmosis water filter, designed for effortless installation in just 30 minutes with clear user manual. Its compact form saves 70% of space, perfectly blending into your elegant kitchen setup.

Experience
Tankless Ease
- Experience the ease of filter replacement with this reverse osmosis water system. Innovatively designed for swift changes with automatic water shut-off technology, it ensures convenience and no need for tools—a hassle-free upgrade in your water filtration journey.


Your Eco-wise
Water Choice
- This reverse osmosis water filter boasting an efficient 2:1 pure-to-waste water ratio, it maximizes savings and reduces environmental strain by trimming down plastic bottle use—all while securing a supply of clean & fresh water.
Smart
Digital Faucet
- Experience healthy water with our smart faucet for under-sink RO water systems, featuring real-time TDS monitoring and filter life tracking to ensure every drop is pure and fresh, right at your fingertips




Model number
WD-X8
Certification
NSF/ANSI 58 & 372
Pure to drain
2:1
Product dimensions
18.2 * 6.25* 16.72
Item weight
36.37 pounds
Faucet
Smart Screen Faucet
Flow rate
800 gallons per day (GPD), 0.56 gallon per minute (GPM)
Indoor or outdoor use
Indoor use only
Electricity Required
Yes
Warranty
2 Years
Why is this undersink RO water filter special?
Can you detail the filtering performance of this RO system?
How easy is installing this under sink water filter, and do I need professional help?
If I have any issues, who can I contact for support?

- Provides up to 12 months or 1,100 gallons of clean water.

- Provides up to 6 months or 550 gallons of clean water.

- Provides up to 24 months or 2,200 gallons of clean water.
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Need Installation | √ | √ | √ | √ | √ | √ |
---|---|---|---|---|---|---|
Flow Rate | 800 GPD | 1200 GPD | 800 GPD | 600 GPD | 600 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 | Smart faucet | Smart faucet | |
Display | Filter lifespan & TDS | Filter lifespan & TDS | Filter lifespan & TDS | Filter lifespan & TDS & Temperature adjustment | Filter lifespan & TDS | |
Self-clean | √ | √ | √ | √ | √ | √ |
Holiday mode | √ | √ | √ | √ | √ | √ |
Electricity Required | √ | √ | √ | √ | √ | √ |
Filter Cartridges |
WD-F1G WD-F2 WD-X8-F3 |
WD-F1A WD-F2 WD-X12-F3 |
WD-G3-N1CF WD-G3P800-N2RO WD-G3-N3CB |
WD-G3-N1CF WD-G3P600-RO WD-G3-N3CB |
WD-KJF | |
Filter Lifespan | F1G-12 Mths F2-6 Mths F3-24 Mths |
F1A-12 Mths F2-6Mths F3-24 Mths |
CF-6 Mths CB-12 Mths RO-24 Mths |
CF-6 Mths CB-12 Mths RO-24 Mths |
12 Mths | |
Dimensions (inch) | 18.2*6.25*16.72 | 18.2*6.25*16.72 | 18.06*5.65*17.75 | 18.11*5.67*17.73 | 6.7*17.5*16.6 |