M6 Series RO System

M6 Series
RO System

RO Hot, Cold & Mineral Water – For All Your Needs

Smart

Smart Voice Guidance

Certified

NSF/ANSI 58 & 372 Certified

Minerals

Nourish your body

M6 Series with Separate Wastewater Tank

Hot, mineral, pure – everything you want

  • Waterdrop M6HG Mineral Instant Hot RO System

    Instant Hot Water

    M6HG RO System

    Hot Water, Ready Instantly

    €359,00 €429,00
    Buy Now
  • Waterdrop M6SL Mineral Reverse Osmosis System Countertop Water Filter

    Alkaline Minerals

    M6SL RO System

    Pure, Mineral-Rich Water Every Day

    €329,00

Are You Troubled by These Problems?

Tap Water

Tap Water

Water tastes bad

Undersink RO

Undersink RO

Hard to install

Countertop RO

Countertop RO

Mixed tap & waste water

  • Tap Water

    Tap Water

    Water tastes bad

  • Undersink RO

    Undersink RO

    Hard to install

  • Countertop RO

    Countertop RO

    Mixed tap & waste water

What Sets the M6 Series Apart

Discover the unique features, performance upgrades, and benefits of each M6 model to find the perfect fit for your needs.

M6HG: Instant Heat + Minerals

WD-M6HG delivers instant hot mineral water at perfect temps: 45℃ for formula, 85℃ tea, 93℃ coffee, 95℃ oatmeal.

M6SL: Lightly Alkaline（Please stay tuned.）

The WD-M6SL adds beneficial minerals such as K⁺, Ca²⁺, Na⁺, and Mg²⁺, which lightly alkalize the water and help enhance the flavor, making it suitable for daily drinking and cooking.

M6HG: Instant Heat + Minerals

What All M6 Models Have in Common

All M6 models provide reliable RO filtration, user-friendly operation, safe drinking water, consistent performance, and NSF/ANSI 58 & 372 certified.

RO Filtration & UV Treatment

The filter features a 0.0001μm RO membrane and UV treatment. It reduces microplastics, TDS, PFOA, PFOS, nitrate, fluoride, lead, and more, providing you with healthy water.

Separates Tap and Waste Water

This system has a 5.5L tank (4L tap, 1.5L waste) with a 3:1 pure-to-drain ratio, keeping water fully separate for safe use.

Detachable Glass Pitcher

Our 1.2L detachable glass pitcher helps prevent chemical harm. It's perfect for storing in the fridge, cooking, or pouring water for pets. The glass pitcher is from the Maxblue brand.

Smart Voice Guidance

Smart voice alerts let you know when to replace filters, refill or empty the tank, and guide first-time setup easily.

RO Filtration & UV Treatment
RO Filtration & UV Treatment
RO Filtration & UV Treatment

Discover the Highlights of Waterdrop

Waterdrop global highlights

82+

Available in 82+ Countries

300+

Granted 303 Patents

1Billion+

Replaced Single-used Plastic Bottles

FAQ

Curious about how the RO filter works? Our FAQ section covers everything from filter lifespan to installation tips for clean, pure water every day.

Contact Us

What’s the difference between the M6 models?

WD-M6HG: Instant hot water at perfect temperatures (45℃–95℃) for formula, tea, coffee, and oatmeal while adding minerals (K⁺, Ca²⁺, Na⁺, Mg²⁺) for daily drinking and cooking.

WD-M6SL: Lightly alkaline water with added minerals (K⁺, Ca²⁺, Na⁺, Mg²⁺) for daily drinking and cooking.

How does the filtration work?

All M6 models feature RO filtration with UV treatment and a 0.0001μm membrane that reduces microplastics, TDS, PFOA, PFOS, nitrate, fluoride, lead, and more, providing safe, healthy drinking water.

What is the water capacity and waste ratio?

Each system has a 5.5L tank (4L tap water, 1.5L waste water) with a 3:1 pure-to-drain ratio, keeping tap and waste water separate for safe use and efficient operation.

Can I use the water for cooking and pets?

Yes. Each system comes with a 1.2L detachable glass pitcher, perfect for storing in the fridge, cooking, or pouring water for pets without chemical contamination.

How do I know when to refill or replace filters?

The smart voice guidance alerts you when to replace filters, refill or empty the tank, and provides simple instructions for first-time setup, making daily operation convenient and worry-free.