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

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Product guide

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.

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.

Price

$299.98Save 21%

Reference price: ~~$379.99~~

Price checked: Nov 14, 2026

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Pros and cons

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.

Technical specifications

20 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

What to know before buying

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.

What’s in the box

Included

PCB filter, 1
RO filter, 1
Gray LED faucet, 1
PE tubing, 1

Who is it for?

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.

VIOMI Vortex 6 PRO 600 GPD Tankless Under-Sink RO System · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 57 ratings

5 stars77%77%
4 stars11%11%
3 stars4%4%
2 stars4%4%
1 star4%4%

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 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.