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3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
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3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF

Trustpilot
$149.99

9-Stage Filter with 0.01μm Ultrafiltration - The WD-TSA-UF features a precise 9-stage filtration process with 0.01μm ultrafiltration that reduces chlorine, bacteria, sediment, heavy metals, and other common contaminants. This multi-layer system ensures every sip tastes fresh and clean.

Up to 12-Month Lifespan - Designed for longevity, the WD-TSA-UF's staged cartridges provide extended service with minimal maintenance: PP Filter – replace every 6 months; GC Filter – replace every 8–12 months; UF Filter – replace every 12 months.

NSF/ANSI 372 Certified Lead-Free - The TSA-UF filter is NSF/ANSI 372 certified, ensuring it's lead-free and provides safe, clean drinking water for you and your family.

Effortless Setup with Complete Accessories - The TSA-UF filtration system offers simple installation with complete accessories. It fits 1/2" or 3/8" male-threaded water valves, ensuring a quick and effortless setup.

Safe, Durable, and Leak-Free - Engineered to withstand extreme conditions, the WD-TSA-UF has passed strict safety trials to ensure it's crack-free and leak-free. You can count on reliable, long-term performance without worrying about failures under pressure.

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

  • VISA
  • Mastercard
  • American Express（AMEX）
  • Discover
  • JCB
  • PayPal
  • Elo
  • Klarna
  • Apple Pay
  • Google Pay
  • Shop Pay
  • Amazon Pay
$149.99
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF
  • Overview
  • Specs
  • Compare
  • FAQs
  • Replacements
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Enjoy Bottle-Like Taste Water

With this 9-stage filtration system featuring ultrafiltration, enjoy pure, crystal-clear water without chlorine.

  • 9-stage Filtration for Pure RO Water
  • Filtered Water from Your Faucet
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    • Easily Reach Purity

      Easily Reach Purity

      Effortless setup & easy filter replacement

    • Great Compatibility

      Great Compatibility

      Fits 1/2" & 3/8" male-threaded valves

    • Robust Structure

      Robust Structure

      Tested to extremes, reliable design

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    TSA-UF
    Specification
    TSA-UF
    Model
    TSA-UF
    Product Dimensions (In)
    16.8 x 4.3 x 12.9
    Product Weight (Ib)
    6.9
    Flow Rate
    1 Gallon Per Day
    Certification
    NSF/ANSI 372
    Faucet

    Faucet not include

    Usage
    Under Sink
    Electricity Required
    No

    Compare   Undersink

    Compare
    Undersink

    		3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF

    TSA-UF

    $149.99
    		3-stage Under Counter Direct Connect Filtration System Waterdrop TSA

    TSA

    $99.99
    $139.99 $40 off
    		6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF

    TST-UF

    $149.99
    $189.99 $40 off
    Faucet
    Faucet

    Faucet not include

    Faucet not include

    Faucet not include

    Filter Lifespan
    Filter Lifespan

    WD-10PP - 6 Months

    WD-10GC - 8-12 Months

    WD-10UF - 12 Months

    WD-10PP - 6 months

    WD-10GC - 8-12 months

    WD-10CT - 12-18 months

    WD-P1 - 6-8Months

    WD-U2 - 12Months

    WD-C3 - 24Months

    Certification
    Certification NSF/ANSI 372 NSF/ANSI 42 & 372 NSF/ANSI 372
    Product Dimensions (In)
    Product Dimensions (In) 16.8 x 4.3 x 12.9 16.8L×12.9W×4.3H 12.99×4.92×14.49
    Ultrafiltration
    Ultrafiltration × √ ×

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

    Contact Us

    How can I install the under sink water purifier with my water lines and appliances?

    You can connect the RO flow to the provided faucet, refrigerator, or other water appliances. The filtered flow can be linked to your kitchen faucet and dishwasher (if available) with the XT attachment for a better cleaning experience.

    Do I need to hire a plumber for installation?

    This tankless RO system is easy to install with a basic DIY installation. We provide clear installation videos and all the necessary components, so you can handle it yourself.

    What contaminants does this reverse osmosis filter reduce?

    Certified by SGS, the filter can reduce TDS, PFOA, PFOS, chlorine, fluoride, barium, salt, sediment, chromium-VI, lead, microplastics, odors, and more contaminants, ensuring continuous clean water for you and your family.

    What warranty do I get?

    A 1-year warranty and lifetime technical support are included. Contact our customer team for any assistance—we’re ready to help.

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