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Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
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Replacement Filter

Replace filter for continued contaminants removal and system performance.

  • Replacement Ultrafiltration Undersink Water Filter | WD-RF10/15/17-UF

    Replacement Ultrafiltration Undersink Water Filter | WD-RF10/15/17-UF Filter

    $41.99

Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System

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$61.99 $69.99 $8 Off

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Advanced UF Membrane – Reduces bacteria, microorganisms, and contaminants >0.01μm.

Four-Stage Filtration – Effectively removes chlorine, taste, odor, sediment, rust, and heavy metals.

Quick Setup – Install in under 3 minutes; replace filters in 3 seconds.

Long Filter Life – Lasts up to 19,000 gallons for continuous clean water.

Service Life

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 two-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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  • Google Pay
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Replacement Filter

Replace filter for continued contaminants removal and system performance.

  • Replacement Ultrafiltration Undersink Water Filter | WD-RF10/15/17-UF

    Replacement Ultrafiltration Undersink Water Filter | WD-RF10/15/17-UF Filter

    $41.99

In Stock—Estimated delivery in 3-7 business days.
$61.99
$69.99 $8 Off
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System
  • Overview
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  • Reviews
  • FAQs
  • Replacements
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  • WD-10UA-UF
  • WD-15UA-UF
  • WD-17UA-UF
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    Compare   Undersink

    Compare
    Undersink

    		Under Sink Ultrafiltration Water Filter | Direct Connect Filtration System

    WD-UA-UF

    $61.99
    $69.99 $8 off
    		Undersink Ultrafiltration Water Filter System With Dedicated Faucet

    WD-UB-UF

    $77.99
    $87.99 $10 off
    		Inline Ultrafiltration Refrigerator Water Filter | Exterior Filtration System-Universal Fit

    WD-UC-UF

    $66.99
    $74.99 $8 off
    Situation
    Situation Undersink/RV/Bathroom Undersink/RV/Bathroom Refrigerator/Icemaker/RV
    Micron Rating
    Micron Rating 0.01μm 0.01μm 0.01μm
    Upgrade Filter Material
    Upgrade Filter Material Adding 0.01 micron ultrafiltration membrane Adding 0.01 micron ultrafiltration membrane Adding 0.01 micron ultrafiltration membrane
    Removable Substances
    Removable Substances Contaminants larger than 0.01 μm, Chlorine, Taste and Odor, Sediment, Rust, Heavy Metals Contaminants larger than 0.01 μm, Chlorine, Taste and Odor, Sediment, Rust, Heavy Metals Contaminants larger than 0.01 μm, Chlorine, Taste and Odor, Sediment, Rust, Heavy Metals
    Filtration Capacity
    Filtration Capacity 8000/16000/24000 Gallons 8000/16000/24000 Gallons 8000/16000/24000 Gallons
    Gallons Per Minute
    Gallons Per Minute 0.75 GPM 0.75 GPM 0.75 GPM
    Reduce TDS
    Reduce TDS No No No
    Retain Beneficial minerals
    Retain Beneficial minerals √ √ √
    Dedicated Faucet
    Dedicated Faucet × √ ×

    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 undersink filter works? Our FAQ section covers everything from filter lifespan to installation tips for clean, pure water every day.

    Contact Us

    What is the filter service life?

    WD-RF10-UF:12 months/8,000 gallons;

    WD-RF15-UF: 24 months/16,000 gallons;

    WD-RF17-UF: 36 months/24,000 gallons.

     Where can I buy a replacement filter?

    Click here to purchase replacement filters.

    Can this system replace my refrigerator filter?

    With WD-UC, the system can connect to your refrigerator/icemaker and replace your overpriced refrigerator filter. With a filtration accuracy of 0.01 μm, this inline water filter achieves excellent filtration performance, extended filter life, and lower replacement costs. Waterdrop has developed fridge connection kits with all the tools you need to connect WD-UA or WD-UB to your refrigerator and ice maker.

    What is the water pressure?

    Waterdrop Undersink Water Filtration System is built to handle a great deal of pressure and is designed to be installed on cold water lines only. In general, the water pressure in homes should be around 60psi. The recommended water pressure is between 10-125 psi.

    Replacement Filters

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