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6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
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Replacement Filter

Replace filter for continued contaminants removal and system performance.

  • Replacement Filters for under sink 3-stage Ultrafiltration Stainless Steel Water Filter System

    WD-PUC Filter

    WD-P1: 6-8 Months. WD-U2: 12 Months. WD-C3: 12-24 Months.

6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF

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$149.99 $189.99 $40 Off

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6-Stage Ultrafiltration – 0.01μm UF membrane reduces bacteria, chlorine, heavy metals, and retains minerals.

Certified – NSF/ANSI 42 & 372 certified for low lead and reduced contaminants.

Easy Installation – No drilling needed, with wall-mounted and floor-standing options.

Durable – Food-grade stainless steel, corrosion-resistant, leak-proof.

Fast Flow & Long Lifespan – 1.5 GPM flow rate, filter lasts up to 24 months.

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

Replacement Filter

Replace filter for continued contaminants removal and system performance.

  • Replacement Filters for under sink 3-stage Ultrafiltration Stainless Steel Water Filter System

    WD-PUC Filter

    WD-P1: 6-8 Months. WD-U2: 12 Months. WD-C3: 12-24 Months.

In Stock—Estimated delivery in 3-7 business days.
$149.99
$189.99 $40 Off
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF
  • Overview
  • Specs
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  • Reviews
  • FAQs
  • Replacements

6-Stage Advanced Filtration

Enjoy purified water for all daily uses with Waterdrop's ultrafiltration system!

  • Filtered Water from Your Faucet
  • Filtered Water from Your Faucet
  • Food-Grade Material

    Food-Grade Material

    Avoids secondary pollution, safe & durable.

  • Fast & Stable Flow

    Fast & Stable Flow

    Enjoy pure, high-flow water.

  • Meets Diverse Needs

    Meets Diverse Needs

    Start purer water usage now!

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WD-TST-UF
Specification
WD-TST-UF
Model
WD-TST-UF
Product Dimensions (In)
12.99×4.92×14.49
Product Weight (Ib)
12.55
Temperature
40-100°F (5-38°C)
Certification
NSF/ANSI 372
Faucet

Faucet not include

Electricity Required
No

Compare  

Undersink

Compare
Undersink

6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF

TST-UF

$149.99
$189.99 $40 off
Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W

TSU-W

$149.99
$189.99 $40 off
3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF

TSA-UF

$149.99
Flow Rate
Flow Rate 1.5 Gallon Per Day 1.45 Gallon Per Day 1 Gallon Per Day
Filter Lifespan
Filter Lifespan

WD-P1 - 6-8Months

WD-U2 - 12Months

WD-C3 - 24Months

TSPP - 6 Months

TSCT - 12 Months

TSUF - 24 Months

WD-10PP - 6 Months

WD-10GC - 8-12 Months

WD-10UF - 12 Months

Certification
Certification NSF/ANSI 372 NSF/ANSI 372 NSF/ANSI 372
Product Dimensions (In)
Product Dimensions (In) 12.99×4.92×14.49 4.7×14.6×14.0 16.8 x 4.3 x 12.9
Product Weight (Ib)
Product Weight (Ib) 12.55 13.89 6.9

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Review

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

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Trustpilot Review
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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

Is the system certified?

Yes, it's certified by IAPMO R&T to NSF/ANSI 42 & 372 standards for contaminant reduction and low lead.

Is installation difficult?

Not at all. It's a quick DIY setup with all parts included — no drilling needed.

What is the housing made of?

Food-grade stainless steel. It's corrosion-resistant, leak-proof, and built to last.

How fast can you get pure water?

1.5 GPM — fast enough to fill a 6oz cup in less than 2 seconds.

If I Have Any Issues, Who Can I Contact For Support?

Hit us up anytime – our dedicated customer support team is here to help you troubleshoot. You're covered with a robust after-sales service, and we'll get your issue squared away in no time.

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