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600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
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Replacement Filter

Replace filter for continued contaminants removal and system performance.

  • RO Water Filter System Replacement Filter (4757643755602)

    D6RF Filter

    Provides up to 12 months of clean water.

    $99.99

600GPD Under Sink Reverse Osmosis System - Waterdrop D6

Trustpilot
$249.00 $399.00 $150 Off

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6-Stage Filtration with RO Membrane: The WD-D6-B RO system's six-stage filtration — including a precise 0.0001 µm RO membrane, reduces PFOA, PFOS, TDS, chlorine, heavy metals, and more impurities, so every sip tastes pure and clean.

600GPD & 1.5:1 Pure to Drain: With its 600 GPD flow and an eco-friendly 1.5:1 pure-to-drain ratio, the WD-D6-B fills a 6oz cup in just 7 seconds while minimizing wastewater.
Smart LED Faucet: The included faucet rotates 360°, shows real-time TDS levels on its LED screen, and alerts you with lights and beeps when it's time to replace filters.
Easy Installation & Replacement: Get up and running in just 30 minutes — no tools or plumbers needed, and replace filters in 2 seconds with a simple lift-and-pull design.

Tankless Design: Say goodbye to bulky RO tanks and more under-sink space got freed up — this compact system fits effortlessly into any modern kitchen with its sleek, space-saving profile.

Fast, Free Shipping

30-Day Worry-Free Returns

1-Year Warranty

24/7 Customer Support

Services and Benefits

Enjoy swift doorstep delivery with every order at no extra cost. Our efficient logistics network ensures your purchases reach you quickly and reliably, so you can start using your new products without delay or hidden fees. Experience convenience that truly moves at your speed.

Shop with complete confidence knowing you have a full month to decide. If you're not satisfied for any reason, our straightforward return process makes it easy to send items back for a prompt refund or exchange—no complicated steps or hassles involved.

Your purchase is protected by an extensive one-year warranty covering manufacturing defects. This long-term commitment guarantees peace of mind and reflects our trust in the durability and quality of the products we offer to you.

Our dedicated support team is available around the clock, every day of the year. Whenever you need assistance, get immediate help via live chat, email, or phone for any questions, ensuring a smooth and supported experience whenever you reach out.

Payment Method

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Replacement Filter

Replace filter for continued contaminants removal and system performance.

  • RO Water Filter System Replacement Filter (4757643755602)

    D6RF Filter

    Provides up to 12 months of clean water.

    $99.99

In Stock—Estimated delivery in 3-5 business days.
$249.00
$399.00 $150 Off
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
600GPD Under Sink Reverse Osmosis System - Waterdrop D6
  • Overview
  • Specs
  • Compare
  • Reviews
  • FAQs
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Precise Filtration, Purity Always

Start your pure & healthy water journey with WD-D6-B with 0.0001μm RO filtration!

    600GPD — Fast & Steady Water Flow

    600GPD — Fast & Steady Water Flow

    Get purified RO water quickly and steady with Waterdrop under-sink RO system.

    360° Smart LED Faucet, Convenient to Get Water

    360° Smart LED Faucet, Convenient to Get Water

    With a smart and waterproof RO faucet, you can monitor filter life and real-time water quality.

    Compact Design, Elegant & Space-Saving

    Compact Design, Elegant & Space-Saving

    Get pure water and a stylish kitchen with Waterdrop under-sink RO filtration system now!

    1.5:1 Pure to Drain, Saves 600% Water

    1.5:1 Pure to Drain, Saves 600% Water

    Featured a 1.5:1 pure-to-drain ratio, WD-D6-B is your sustainable and water-saving choice.

    • Convenient Usage

      Convenient Usage

      Easy, quick installation & filter replacement

    • Long Filter Lifespan

      Long Filter Lifespan

      Enjoy long-term purity with us!

    • Advanced Integrated Waterway

      Advanced Integrated Waterway

      For your family's safe usage

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    REVIEW

    Hear From Our Pros

    Find out why professionals trust our filtration systems. Watch the video to see why it’s time for clean, refreshing water
    D6
    Specification
    D6
    Model
    D6
    Pure to Drain
    1.5:1
    Product Dimensions (In)
    15.98*5.98*11.97
    Product Weight (Ib)
    22.2 pounds
    Filtration
    6 Stages
    Capacity
    600 GPD
    Faucet
    Smart Faucet

    Compare   Undersink

    Compare
    Undersink

    		600GPD Under Sink Reverse Osmosis System - Waterdrop D6

    D6

    $249.00
    $399.00 $150 off
    		G3P600 Reverse Osmosis System - Waterdrop G3P600

    G3P600

    $429.00
    $539.00 $110 off
    		Waterdrop G5P700 Reverse Osmosis Water Filter

    G5P700

    $299.99
    $349.99 $50 off
    Pure to Drain
    Pure to Drain 1.5:1 2:1 2:1
    Filter Lifespan
    Filter Lifespan

    D6RF - 12 Months

    CF 6 Mths

    CB 12 Mths

    G3P600-RO 24 Mths

    G5P700-CF 6 Mths

    G5P700-RO 24 Mths

    Product Dimensions (In)
    Product Dimensions (In) 15.98*5.98*11.97 18.11*5.67*17.73 15.69"L x 5.69"W x 13.9"H
    Product Weight (Ib)
    Product Weight (Ib) 22.2 pounds 32.4 21.4 pounds
    Model
    Model D6 G3P600 G5P700
    Filtration
    Filtration 6 Stages 8-stage Filtration 7-stage Filtration
    Capacity
    Capacity 600 GPD 600GPD 700GPD

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    Review

    Hear From Our Users

    Waterdrop users rave about the clean, crisp taste and health benefits of filtered water. Read their stories and see why they choose us.

    Hear From Our Users
    Trustpilot Review
    Trustpilot

    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

    How easy is installation and filter replacement?

    You can set up the system in 30 minutes — no tools or plumbers needed, and swap filters in just two seconds with the lift-and-pull design.

    Do I need a storage tank?

    No. The tankless design saves under-sink space and fits seamlessly into any modern kitchen, avoiding the bulk of traditional RO tanks.

    What is the smart LED faucet?

    The 360° rotating faucet displays real-time TDS levels on its LED screen and beeps with light alerts whenever it's time to replace your filters.

    What makes the WD-D6-B's filtration so effective?

    The WD-D6-B features six stages of filtration — including a precise RO membrane, filtering out impurities larger than 0.0001μm from your drinking water.