Vortex 6 Tankless Under Sink Reverse Osmosis Water Purifier
- [Important Compatibility & Installation Note] This water purifier is designed to work exclusively with the faucet provided in the box and cannot be connected to other faucets, refrigerators, or ice-makers. Two holes are required for installation: one on the countertop for the RO faucet and a second under the sink for the drain pipe. A standard dedicated electrical outlet is also needed.
- [NSF/ANSI 53, 42 & 372 Certified] The Viomi Vortex 6 Reverse Osmosis Water Filter System is rigorously tested and certified to meet NSF/ANSI standards. It is certified to reduce lead, as well as chlorine, bad taste and odor, all while meeting strict lead-free material safety requirements. Enjoy cleaner, better-tasting water with the confidence that every drop meets the highest safety standards for your whole family.
- [9-Stage Filtration System] The Viomi Reverse Osmosis water filter features a 0.0001μm membrane for superior purity. Certified to NSF/ANSI standards, it is proven to reduce PFAS contaminants such as lead, fluoride, and PFOA. Enjoy exceptional purity with a TDS reduction of up to 94.75%, along with targeted reduction rates of PFOS >99.88% and PFOA >99.6%. The result is softer, great-tasting water that provides a reliable safeguard for your family's health and wellness.
- [600 GPD, 3:1 Pure-to-Drain] The Viomi VORTEX 6 reverse osmosis system delivers over 1 ounce of water per second, saving you time while meeting your daily hydration needs. The tankless design and a low 3:1 pure-to-drain ratio help you save up to 300% more water compared to traditional tanked systems.
- [Compact Tankless Design] Say goodbye to bulky tanks. Viomi tankless RO system measures just 16.3"D x 5"W x 12.8"H, saving up to 65% of under-sink space and fitting easily in most kitchen cabinets. Note: Please measure your available under-sink space prior to installation to ensure proper fit, accounting for existing items such as disposers, plumbing, or cleaning supplies.
- [Hassle-Free Replacement & Smart Faucet] Two filters (1 RO + 1 PCB) come pre-installed in the unit for immediate setup. Replace the long-lasting RO filter every 48 months and the PCB filter every 24 months — no need to move the system or use any tools. The smart LED faucet reminds you when it's time to change filters by turning orange, and replacement takes just seconds. Note: Actual filter life depends on your daily water consumption and usage.
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- Overview
- Specs
- FAQ
- Replacement Filters
Product description
Purer Water, Purer Life.
- Our advanced RO filtration and multi-stage purification system effectively removes heavy metals, chlorine, and bacteria—delivering clean, safe water straight from your tap. No more worries, just pure hydration
Water Purification Solution
Ultra-Fine RO
The 0.0001-micron RO membrane removes even the tiniest contaminants—like heavy metals, viruses, and microplastics—for truly pure water.
9-Stage Filtration
Effectively tackles sediment, chlorine, odors, and more—delivering clean, balanced, and great-tasting water.
Instant Fresh Flow
No stagnant storage. Our system delivers fresh, filtered water on demand—so every sip is as clean and crisp as the first.
9-Stage RO Complete Filtration
9-Stage RO Complete Filtration
PP Cotton
Effectively traps visible impurities such as rust, sand, and sediment right from the start, helping to protect the inner layers and ensure the longevity of your filter system.
Pre-activated Carbon
Absorbs chlorine, unpleasant odors, pesticides, and residual chemicals, significantly improving the taste and smell of your water while shielding the RO membrane from early damage.
Long-acting Scale Inhibitor
Reduces hardness by softening water and preventing scale buildup inside the system — a critical step in extending both the filter lifespan and your appliance’s performance.
Ultrafiltration Layer
Removes bacteria, colloids, and micro-sediments while preserving beneficial minerals, offering a balance between safety and nutrition — ideal for families and daily hydration.
Reverse Osmosis Membrane
At 0.0001-micron precision, it’s the powerhouse of purification. Removes heavy metals (like lead and mercury), nitrates, fluoride, viruses, and up to 99.99% of dissolved solids, ensuring water that’s truly clean and safe.
Non-woven Fabric
Acts as a precision support layer to maintain filtration structure and evenly distribute water pressure, while capturing any residual fine particles before the final purification steps.
Bamboo Charcoal
A natural and eco-friendly layer that adsorbs color, odor, and harmful organics, further enhancing water purity and clarity using nature’s own filtration powers.
Post-activated Carbon
Final touch to improve mouthfeel and taste — removes any remaining trace odors and volatile compounds for water that’s crisp, clean, and delicious.
Non-woven Fabric
Provides a final polishing stage to ensure only the purest water flows through, free of any micro-debris or leftover particulates — clean to the last drop.
Industry-leading filter lifespan
Waste Less, Save More.
With Viomi’s advanced 3:1 ratio system, you get 3 cups of clean water with just 1 cup of wastewater — saving water, money, and the environment, all at once.
Safe & Healthy Water For You
NSF/ANSI 42&58&372 Certified
View The ReportTDS Reduced by ≈90.35%
High levels of TDS (Total Dissolved Solids) can affect water taste, odor, and clarity. Some dissolved solids may include harmful substances like heavy metals, which can impact kidney function and overall health over time.
PFOS Reduced by ≈99.88%
PFOS (Perfluorooctanesulfonic acid) is a toxic “forever chemical” linked to liver damage, hormone disruption, immune system effects, and increased cancer risk. It persists in the environment and the human body for years.
PFOA Reduced by >99.60%
Another persistent contaminant, PFOA (Perfluorooctanoic acid) has been associated with developmental issues, thyroid problems, and certain cancers. It’s commonly found in industrial waste and non-stick coatings.
Microplastics Reduced by >99.94%
These tiny plastic particles can enter the bloodstream and accumulate in organs. While long-term effects are still being studied, microplastics are suspected to contribute to inflammation, hormonal imbalance, and other chronic conditions.
VIOMI V6
Other Brand
9
6
20
50
600
Fill a cup in 6s
400
Fill a cup in 20s
3:1
Waste ↓ 1200%
1:1
Waste ↑ 600%
NSF 42&58&372
/
24
12
48
24
$48
- $100
$130-155
+ $100
$339
$749
Featured Video Show
Specification Sheet
What’s in box (6)
Viomi V6 x1
LED Faucet x1
PCB + RO Filter x1
User Manual x1
Power Adapter x1
Accessory Kit x1
Example x1
Example x1
Example x1
FAQs
Please read our FAQs page to find out more.
Q1: Is the Vortex 6 certified for contaminant removal?
A: Yes, it is certified against NSF/ANSI 372, 53, and 42 standards. It has been proven to effectively reduce TDS, lead, fluoride, PFOA/PFOS, and many other harmful substances, ensuring your water is safe and clean.
Q2: What does the 9-stage filtration system do?
A: The advanced 9-stage system uses a 0.0001μm reverse osmosis membrane. It precisely removes scale, heavy metals, chlorine, and unpleasant odors, significantly improving the taste and quality of your drinking and cooking water.
Q3: How fast can it filter water?
A: The 600 GPD system provides a fast and stable flow, filling a 7-ounce cup with purified water in just 6.5 seconds. This high capacity ensures you get clean water instantly without waiting.
Q4: How often do I need to replace the filters?
A: The long-lasting RO filter needs replacement every 4 years (48 months), while the PCB filter should be changed every 2 years (24 months). This reduces maintenance frequency and long-term costs for your system.
Q5: What are the benefits of its tankless design?
A: The compact, tankless water purifier design saves about 67% of under-sink space compared to traditional systems. This makes it ideal for most kitchens and prevents the risk of secondary pollution from a storage tank.
Q6: How do I know when it's time to change the filters?
A: You don't have to guess. The system includes a smart LED faucet that automatically reminds you by turning orange when a filter replacement is due, making maintenance simple and worry-free.
Q7: What kind of water purification technology does the water purifier use?
A: The water purifier uses RO (reverse osmosis) technology to provide safe drinking water.Currently, there are 3 main types of household water filters, based on how finely they filter:
- Microfiltration (MF):
- Filters particles as small as 0.1–1 microns.
- Used for basic filtering—removes sand, rust, and other large particles from water.
- Does NOT remove harmful things like bacteria or viruses.
- Filter cartridges usually can’t be cleaned and need to be changed often.
- Common water filter jugs use microfiltration.
2. Ultrafiltration (UF):
- Filters particles as small as 0.01–0.1 microns.
- Can remove rust, sand, suspended solids, some bacteria, and colloids.
- CANNOT remove heavy metals.
3. Reverse Osmosis (RO):
- Filters particles as small as 0.0001 microns, offering the highest level of filtration.
- Removes rust, sand, suspended solids, colloids, bacteria, viruses, heavy metals, scale, and organic substances.
- Commonly used to make purified water, industrial-grade ultra-pure water, and medical-grade ultra-pure water.
Q8: Why is there black water when using pure water for the first time?
A: During shipping, small amounts of carbon dust can form inside the carbon filter. When you use the purifier for the first time, the dust is washed out with both clean water and wastewater, causing the water to appear slightly black at first.This is normal and will go away after you run water through the purifier a few times.
Q9: Why can't the pure wastewater ratio reach 3:1?
A: The pure/wastewater ratio usually refers to the proportion of pure water to wastewater.This ratio can be affected by the following factors:
- Water Temperature: If the water is colder than 25℃, you get less clean water and more wastewater. If it’s warmer than 25℃, you get cleaner water. But water shouldn’t be hotter than 38℃ or colder than 5℃, as that can damage the filter.
- Water Pressure: If the water pressure is below the standard 0.2MPa, the lower the pressure, the lower the recovery rate, which can also lead to more waste water than pure water.
- Poor Tap Water Quality: High levels of contaminants increase the risk of filter clogging, resulting in a lower recovery rate.
- Expired Filter Life: Over time, filters trap many contaminants, leading to clogging and consequently a lower recovery rate.
In short, cleaner tap water, good water pressure, the right water temperature, and a fresh filter help you get more clean water from your purifier.
Q10: Why is there the sound of a motor running (machine vibration sound) when making water?
A: Water purifiers are designed to give you fresh, clean water as soon as you need it. That’s why they use a powerful pump to quickly push water through the filters.