Master M1 Mineral Tankless Under Sink Reverse Osmosis Alkaline Water Purifier
-
[Important Compatibility & Installation Note]
Refrigerator/Ice-Maker Connection: Need filtered water for multiple purposes? The Viomi M1 can be connected to your refrigerator or ice maker, supplying purified water to a separate line. Simply connect using a separate pipe (not included) and activate "Multi-device Mode" in the App—it's easy and effortless.
Installation Requirements: The system requires a standard electrical outlet and two drilled holes—a 1"-1.5" hole for the dedicated smart faucet and a 1/4" hole for the drain pipe. If you have a garbage disposer, the filter needs its own dedicated outlet for constant power—it cannot share the switched outlet typically used for the disposer.
- [NSF/ANSI 42, 58 & 372 Certified] The Viomi M1 RO Alkaline Water Filter System is tested and certified against NSF/ANSI standards. It is NSF/ANSI 58 certified for TDS reduction, NSF/ANSI 42 certified to reduce chlorine, bad taste, and odor, and NSF/ANSI 372 certified for lead-free material safety. Enjoy cleaner, better-tasting alkaline water with confidence in every drop.
- [Industry-Leading Remineralization Technology] Unlike standard RO systems that strip away healthy minerals, the Viomi M1 reverse osmosis alkaline water filter adds them back. It infuses water with natural minerals harvested from deep underground, using a high-temperature process (2192°F) to simulate volcanic ion exchange. This restores essential minerals for better-tasting, alkaline water. Note: Your faucet's TDS reading will be slightly higher than standard RO water due to these beneficial minerals.
- [1000 GPD, Smart Faucet & App] Enjoy instant pure water with the Viomi M1 reverse osmosis alkaline purifier, featuring an ultra-fast 1000 GPD membrane. Fill a cup in just 3 seconds (100 oz/min) with no waiting—even during peak usage. The HD touchscreen smart faucet offers one-touch dispensing and real-time TDS display, while the Wi-Fi App provides deeper insights into water consumption and quality. Plus, intelligent filter life monitoring tracks the long-life PCB filter (2 years) and RO membrane (4 years)—an industry-best lifespan that maximizes value and minimizes long-term maintenance costs.
-
[Removes 99%+ PFOS/PFOA, Lead & Microplastics] Peace of mind starts with pure water. The Viomi M1 9-stage reverse osmosis filtration features a 0.0001-micron precision membrane, effectively reducing Total Dissolved Solids (TDS) by up to 90.56%. It targets specific contaminants with high efficiency, including lead (>99.87%), PFOS (>99.67%), PFOA (>99.42%), chlorine, and microplastics. Tested by official third-party laboratory (SGS) to ensure your family drinks the cleanest water possible.
-
[Eco-Friendly 3:1 Pure-to-Drain] Save water without sacrificing performance. The Viomi M1 achieves an efficient 3:1 pure-to-drain ratio—delivering 3 cups of clean water for every 1 cup of waste. That's an impressive 75% water efficiency, while traditional RO systems waste 2-3 gallons for every gallon purified. You get more clean water while using less, saving both water and money on utility bills.
-
[Space-Saving Tankless Design] Free up your under-sink cabinet with this compact reverse osmosis system—designed to take up 65% less space than traditional tank-based filters thanks to its slim profile (17.1"D x 6.4"W x 15.9"H) that fits in most kitchen cabinets, and installation is a breeze with our simple 4-step video guide that gets you up and running in about 20 minutes.
Pairs well with
- Overview
- FAQ
- Specs
- Replacement Filters
Product description
What’s Hiding in Your Daily Glass of Water?
Tap water can carry all sorts of hidden impurities—like dirt, rust, or industrial residues—that you don’t want ending up in your glass.
- Impurities
- Chemicals
- Plastic Bits
- Scale
What’s Hiding in Your Daily Glass of Water?
Many water systems use chlorine and other chemicals to disinfect water, but those leftovers can affect taste and potentially impact your health over time.
- Impurities
- Chemicals
- Plastic Bits
- Scale
What’s Hiding in Your Daily Glass of Water?
Microplastics have made their way into our water supply. They're tiny, invisible, and may build up in your body with long-term exposure.
- Impurities
- Chemicals
- Plastic Bits
- Scale
What’s Hiding in Your Daily Glass of Water?
Hard water can cause limescale buildup in your appliances and leave your skin feeling dry after showers. It's tough on both you and your home.
- Impurities
- Chemicals
- Plastic Bits
- Scale
Specification Sheet
Basic Specifications
Model: Viomi Master M1
Flow Capacity: 1000G
Maximum Flow Rate: 84.5 – 89 oz/min
Pure-to-drain Ratio: 3:1
Installation: Installation needed("1 hole in the counter/sink for faucet, 1 hole in the drain pipe for waste water")
Product Dimension: 17.1"L x 6.4"W x 15.9"H
Power Source: Corded Electric
Usage Scenario: Under Sink
Warranty Description: One (1) Year Limited Warranty
Own Faucet Compatibility: Original faucet only
Filter Lifespan: RO filter lasts 4 years, PCB filter lasts 2 years
Filtration
Filtration stages: 9
Purification Method: Reverse Osmosis & Carbon Composite Filter
Smart Design
Faucet Type: Touchable Smart Faucet
Viomi App: Yes
Filter Lifespan Indicator: Yes
Auto-flushing: Yes
Self-cleaning: Yes
Refrigerator/Ice Maker Compatibility: Yes
FAQs
Please read our FAQs page to find out more.
What contaminants can Viomi RO water filter system reduce?
Viomi RO water filter system adopts advanced composite filter technology. The composite filter can intercept most of the harmful contaminants.
Can effectively reduce TDS, hexavalent chromium, fluoride, lead, iron, cadmium, calcium, mercury, copper, selenium, barium, chloride, PFOS and chlorine in your tap water. Also ETL&FCC&FDA tested. TDS removal rate is certified up to 91.9% and the heavy metal reduction rate is certified up to 96.9%.
Is RO water bad for the health?
The RO does not make the water unhealthy in any way. Instead, the purification process may protect the body from many contaminants present in the water.
Do I need plumbing services to install the reverse osmosis system?
No. Viomi RO systems are designed for DIY installation. You can install the system in around 30 minutes. Simply refer to the instruction manual and instructional videos, or contact us by email.
This video explains how to install Viomi RO system.
What’s the difference between tankless and tank reverse osmosis systems?
Tank reverse osmosis system holds reverse osmosis water so you have plenty to use when you need it. A traditional tank RO system makes water slowly. It takes one minute to produce two to three ounces of RO water. If you were to turn on your faucet for a glass of water at the actual membrane production rate, then you would have to wait at least 5 minutes for it to fill. Viomi tankless RO system has overcome the issue of bacteria colonizing in the bladder tank. With no storage tank to fill, Viomi tankless reverse osmosis system does not run until RO water is needed.
Can the reverse osmosis system be used for hard water?
The RO system will not be suggested used for hard water. If your feed water is hard water , you may need to install prefilter and a NOT salt based softener or scale inhibitor prior to the system.