# VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System

The VIOMI Vortex 6 PRO is a tankless under-sink reverse osmosis water filtration system with a stated 600 GPD capacity, app control, and a smart LED faucet. Its electric pump and installation requirements make it a fit for buyers who can provide a stable outlet and space for the faucet and drain connections.

- [Original product page](https://best-deals.pro/product/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [View offer](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- Market: US
- Language: en-US
- Currency: USD
- Brand: VIOMI
- Model: Vortex 6 PRO
- Category: Home & Kitchen > Kitchen Appliances > Water Purifiers
- Price: 299.98 USD
- Previous price: 379.99 USD
- Discount: 21%
- Price checked: 2026-11-14T07:05:08.849Z
- Rating: 4.5 / 5
- Reviews: 57

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing describes a nine-stage filtration system using carbon block and reverse osmosis.
- A smart LED faucet is claimed to display real-time TDS and filter-life information, with additional usage and system information available in the app.
- The manufacturer claims a 3:1 pure-to-drain ratio and connection support for a refrigerator or ice maker.
- The system is tankless and requires an electrical outlet.

## Pros

- Tankless construction avoids allocating under-sink space to a storage tank.
- The listed smart faucet and app provide ways to view TDS and filter-life information.
- The advertised refrigerator or ice-maker connection can serve a separate water line.

## Cons

- Installation requires drilling holes for the faucet and drain, plus a stable electrical outlet.
- Refrigerator or ice-maker tubing is not included according to the installation details.

## Specifications

### Identity
- Brand: VIOMI
- Model: Vortex 6 PRO
### Filtration and capacity
- Rated capacity: 600 GPD
- Listed capacity: 600 gallons
- Filtration stages: 9-Stage Filtration
- Purification method: Carbon Block, Reverse Osmosis
- Maximum supported water TDS: 800
- Water temperature range: 41 °F to 100 °F
- Filter life cycle: 2 years
### Features
- App control: App Control
- Faucet: Smart LED Faucet
- Refrigerator / ice maker compatibility: Compatible with Refrigerator / Ice Maker
- Pure-to-drain ratio: 3:1 pure-to-drain ratio
### Power and configuration
- Power configuration: Corded Electric
- Tank configuration: Tankless
- Installation type: Under Sink
### Dimensions and installation
- Dimensions listed: 16.3"L x 5"W x 12.8"H
- Weight listed: 20.1 pounds
### Materials
- Listed materials: PCB Filter: Carbon Block & PP Cotton, RO Filter: Reverse Osmosis Membrane & Carbon Block & PP Cotton, System Cover: Plastic
### Warranty
- Warranty description: One \(1\) Year Limited Warranty

## Before you buy

- The listing says setup needs a 1"-1.5" faucet hole and a 1/4" drain hole. Use a dedicated outlet that is not controlled by a garbage-disposal switch. The manufacturer says slight operating vibration and sound can occur, and residual water may remain after testing.

## In the box

- PCB filter, 1 (Included)
- RO filter, 1 (Included)
- Gray LED faucet, 1 (Included)
- PE tubing, 1 (Included): The separate refrigerator or ice-maker connection tubing is stated to be not included.

## A good fit for

- Households seeking an under-sink, tankless reverse osmosis system with app and faucet monitoring.
- Buyers who want the option to supply filtered water to a compatible refrigerator or ice maker and can handle the separate line installation.

## Less suited to

- Anyone unable to provide an electrical outlet or drill the specified faucet and drain holes.
- Buyers who need a system that includes refrigerator tubing or requires no installation.

## Customer feedback

Customer feedback reports that the system is easy to install, with positive mentions of installation and quality. The aggregate ratings are mostly favorable but include lower-star ratings as well. Installation feedback may be useful context, though the listing still calls for drilling, electrical access, and separate tubing for a refrigerator line where needed.
- Positive themes: Customers describe installation as easy.
- Positive themes: Positive feedback mentions product quality.

## Frequently asked questions

### Does the VIOMI Vortex 6 PRO need a power outlet?
Yes. The listing specifies corded electric power and says it needs a stable outlet that is not switched with a garbage disposal.
### Can it supply a refrigerator or ice maker?
The listing says it can connect to a separate refrigerator or ice-maker line. The tubing for that connection is not included, and standard tubing is required.
### What installation work is specified?
The listing calls for a 1"-1.5" drilled faucet hole and a 1/4" drain hole. It also says to use a dedicated, stable outlet.
### What does the smart faucet show?
The manufacturer says its LED faucet displays real-time TDS and filter life. The app is described as providing consumption patterns and system-performance information.

## Alternative options

- [VIOMI Master M1 1000 GPD Alkaline Mineralized pH+ Reverse Osmosis System \| 9-Stage & 4-Year RO Water Filter, Reduces TDS, PFOA/PFOS, & Lead, NSF/ANSI 42, 58 & 372, Touchscreen Faucet & App Control](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [ANGEL X4 Tankless Reverse Osmosis System, 1000 GPD Under Sink RO Filter \| Certified to NSF/ANSI 372, Smart TDS & Filter Display, 0.66 GPM Fast Flow, 3:1 Pure-to-Drain Ratio, Up to 3-Year RO Filter](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [Waterdrop G3P600 Tankless Reverse Osmosis Water Filter System Silver Faucet \| NSF/ANSI 42 & 53 & 58 & 372 Certified, 8-Stage RO Water Filtration System Under-Sink, 2:1 Pure to Drain, Smart LED Faucet](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [3M Aqua-Pure Under Sink Reverse Osmosis Water Filtration System 3MRO301 \| Compact RO System Reduces Impurities For Clean Drinking Water](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [Frizzlife Reverse Osmosis Water Filter - Alkaline Mineral pH+, NSF/ANSI 58&53&42&372 Standard, 600GPD Tankless RO Reverse Osmosis System, Under Sink, 2:1 Pure to Drain, Reduce FPAS/PFOA, PD600-TAM3](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [Waterdrop G5P700A Alkaline Mineral Reverse Osmosis Water Filter, 700 GPD \| NSF/ANSI 58 & 372 Certified, 8-Stage RO Water Filtration System, 2:1 Pure to Drain, Tankless RO System with Smart LED Faucet](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [SimPure Y7T-A Countertop Reverse Osmosis Water Filter, 5 Stage Mineral RO \| NSF/ANSI 58 Certified Water Filtration System, RO Water Purifier, No Installation, 4: 1 Pure to Drain, pH+ Balanced ALK Taste](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [iSpring RCC7AK-BN NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink Patented Top-Mounted Faucet Design for Easy Installation](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [Waterdrop M6CG Hot & Cold Reverse Osmosis System Countertop, Mineral Added \| Glass Pitcher, NSF/ANSI 58 Certified, 8-Stage RO Filtration, 3:1 Pure to Drain, Hot & Cold & Room-Temp Water, No Installation](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [PR1-P Countertop Reverse Osmosis Water Filter System, 5 Stage RO Filtration \| No Pl...](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
- [Waterdrop M6SL Mineral Reverse Osmosis Water Filter Countertop RO System \| NSF/ANSI 58 Certified, Reduce PFAS/TDS, 8-Stage Water Filtration System, 3:1 Pure to Drain, Installation-Free, Room-Temp](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)
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## Add-ons

- [VIOMI V PRO PCB Replacement Filter for V6 PRO/V8 PRO Water Filter System \| 12-Month Lifespan, Improves Water Taste, Easy Installation, No Tools Required](https://best-deals.pro/visit/viomi-vortex-6-pro-tankless-under-sink-ro-system)

## Images

![VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System — 1](https://best-deals.pro/i/MyVG8cka52OAyU3rVB65yFyOr4n_ezVpkZEtaJ7nphmZUeifgJcUxzmpj9WbQ0xO402BuDRN1dCSUTFaprORqZO0nTOQBOcbIGRtDL8MWmNv1XYsz-5E.jpg)

![VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System — 2](https://best-deals.pro/i/lmN6cQbunsKzrjuqXCMwNJPRcta-xfuayOELeDozHCwkKsiBvNMtRuxtpSIy5hdr_W5p_RZIwNIbUgoY90xBHuAlbZKj2niip8VJ6SNqr1WXiYMdmgu5.jpg)

![VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System — 3](https://best-deals.pro/i/oXcUyoOPArwquli4tX88Qme1ZsQRLqTl7X63NFgsfzwqWmJ67dXzRuGNaDn57fPaBo6P2TFVkBrXLvWoDojeOQx8Oex-Wz23P45gIV61MB730EINU4MH.jpg)

![VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System — 4](https://best-deals.pro/i/VOhI6SssopI-NVcsFz_CuWdF3QFwd1ganCtMTFsWUVuCH8VdflgWXZ3All0cvWXOVuHSY6viA37wEIwBx0Sfb5IJ-Nsk4_Hgg86zrttRT7HPE9DWkllL.jpg)

![VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System — 5](https://best-deals.pro/i/MQALmzOVLplKCYAd6Zgx2TykyoruacUnmkl0fR3IJXffPCSCEueykXzIW5hcSO8Rm1cEKNXLec9ZZ3A1LGjJSCvdzlefmSt2X5HP1aef09t9p1N21imb.jpg)

![VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System — 6](https://best-deals.pro/i/65c8dxHEm3FNEEd8nQRsWg1rK3I8rM_FipAGAmOl1v1gVinB0ZWi6uWj05Z2VmzLAf0rd616eyBk7ssfhEvJsgUXu4gMCT3PgCTPuAcuwcNRiZmY_vP2.jpg)

![VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System — 7](https://best-deals.pro/i/LFVohBWgFQjHk9titrX7zlHL-XdNIXNCdxREGyL0V7xF4E8riYn7ygpIgkTfkBg4LGosK1i4YrqGLqBwEF7LlSiEH0763OpxUOXhTnVKW2Mygn5fvfPN.jpg)