Ultrafiltration Under Sink Water Filter System Waterdrop TSU-B

WD-TSU-B, 0.01μm Ultrafiltration Membrane, 3-Stage Filtration, Smart Panel, No Waste Water
Regular price €177,86
Sale price €177,86 Regular price
Black 2 Year Package
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Estimated Delivery Time


Economy Shipping

4-10 Business Days


Standard Shipping

3-6 Business Days

$5.99(Free on order over $200)

Express Shipping

2-5 Business Days


* Shipping charges for your order will be calculated and displayed at checkout.

* The Delivery Time is calculated based on the shipping date, not the order date. The actual shipping date can be delayed due to invalid shipping address, weekends/holidays, etc.

Handling Time:

We need 24h to 48h to prepare your order, most of the packages will be shipped out within 24 hours except weekends and holidays.

Track your order

Once your order is shipped, you will receive an email from us containing the tracking information. Tracking information is also available in your "Order Details" page.

Shipping areas

The products can be delivered to the most of states in United States except American Samoa, Micronesia, Guam, Marshall Islands, Northern Mariana Islands, Palau, Puerto Rico and U.S. Virgin Islands.

International shipping

We are sorry that the international shipping service is not supported for the time being.

Shipping Carriers

We work with 4 carriers to make sure your order will arrive on time: UPS, USPS, FedEx and Amazon Logistics US.

Delivery Time Exceeded

Shipping might experience delay due to covid-19. If your order is delayed, please contact us via email service@waterdropfilter.com, we will check the situation with the transportation company in time. Thanks for your understanding and support.

Note: We don't accept requests to specify a certain carrier to deliver the package.

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The package will be shipped from one of our US warehouses closest to your location.

* If you have any questions, you can contact our customer via LiveChat or email to service@waterdropfilter.com, we will reply to you as soon as possible!

Sales Tax

The sales tax will be collected in accordance with U.S. tax laws. Customers whose delivery address within the following states will be charged a certain tax at checkout, and the tax rate is determined by the local government. (AZ, CA, CO, FL, GA, IL, IN, KY, MA, MD, MI, MN, NC, NJ, NV, NY, OH, PA, TX, UT, VA, WA, WI) All taxes collected will be reported and filed to the IRS on time.

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No Worries Guarantee

Thank you for shopping at Waterdrop. We appreciate your decision to purchase our products and aim to ensure a rewarding experience throughout your exploration, evaluation, and purchase process.

Order Cancellations:

If you wish to cancel an order, please contact our customer service team.

1. If you contact us within 24 hours of purchase:

Since most orders ship the same day, kindly email us at contact service@waterdropfilter.com or call us at (888)-352-3558 within 24 hours of placing the order. There will be no cancellation fees for standard items canceled before shipment. If the package has already been shipped, we will provide a prepaid label for return, and once we receive the package from you, we will issue a refund.

2. If you contact us after 24 hours of purchase:

  • In such cases, you will need to bear the shipping fee if the package is already shipped (subject to our system status, not the order status).
  • The product must be damage-free, packed in the original packaging we sent to you, and returned with the original receipt of purchase.
  • We will process your refund after receiving the package.

30-day Risk-free Return Policy:

  • You are eligible to return any item* within 30 days of receipt.
  • All returned items must be disassembled and repackaged as they were originally received.
  • The 30-day risk-free return policy applies to all item*.
  • No restocking fee will be charged, but customers are responsible for the return shipping cost. We will cover the return postage expenses in the case of any return requests related to a quality issue.
  • Please note that the 30-day risk-free return policy is only valid for orders* within the continental United States.

Return after 30 Days of Receipt:

  • You may still return any item after 30 days of receipt.
  • In this case, customers are responsible for the return shipping cost. The total cost of shipping will be deducted from your refund.
  • All returned items must be disassembled and repackaged as they were originally received.
  • A 10% restocking fee will be applied to all returned products. However, in the event of any return requests related to a quality issue, we offer free returns or replacement with a new product.

1-year Warranty:

Enjoy peace of mind and confidence in your purchase with our 1-year warranty, backed by lifetime technical support.

If you receive a damaged item and wish to file a claim, please email service@waterdropfilter.com with your order information and a picture of the damaged or incorrect product. We are eager to assist you.

For products that become defective during the warranty period due to a quality issue, rather than your own breakage or misuse, we can accept a free return, provide free repair service, or issue a new replacement.

Exchange Policy:

1. Defective Products:

If you receive a product with quality issues or damages, please contact our customer service team within 30 days of receipt. We will provide you with a free exchange service. Please provide order information and photos of the damaged product when contacting our customer service team for better assistance.

2. Non-Quality Issues:

If you wish to exchange a product for non-quality-related reasons, please note the following:

  • The product must be within 30 days of purchase and unused.
  • The product must be returned in its original packaging, along with the original purchase receipt.
  • You will be responsible for the re-shipping costs.
  • Please note that the exchange policy is only applicable to orders made on the official waterdropfilter.com.

How to Return a Product?

If you would like to return a product, please follow these guidelines:

Step 1: Contact our customer service team before returning a product. We will respond with return instructions within 24 hours.

How to contact us:

Email: service@waterdropfilter.com

Toll-free Tel: (888)-352-3558

Step 2: Prepare the package after receiving confirmation from the customer service team, and please note the following requirements:

  • Include the order number in the package. You can print out the order detail page or leave a note inside the package.
  • Ensure the package contains the original receipt of purchase.
  • Return the product in the original packaging we provided.
  • The product must be damage-free (this does not apply to defective products, as damage will void the refund).

Step 3: Contact our customer service and provide your return tracking number. We will track the package and process your refund within 5 working days after receiving and inspecting the package.

General Information for All Returns:

1. Defective Products:

If you receive a product with quality issues or damages, please contact our customer service team. we provide free returns, replacement with a new product, and comprehensive technical support.

2. Non-Quality Issues:

  • You are responsible for shipping the products to the return address provided.
  • Returned items will undergo inspection before issuing a refund.
  • Refunds will be processed within 5 working days after the item has been inspected, and it may take 4-7 days to be reflected in your credit card statement.
  • We highly recommend using a traceable and insurable shipping method for your return. We are not responsible for returns lost or damaged in transit, and you will need to file a shipping claim.
  • Please note that orders made via 3rd-party sellers, including Amazon, are not eligible for our return policy.
  • All returned items must be disassembled and repackaged as they were originally received. Items returned in a condition other than "like new" will be subject to a 10% restocking fee to cover repairs or part replacement. The restocking fee will be deducted from your refund.

Return Address:

Ecolife Technologies, Inc.

1951 S Lynx Pl,

Ontario, CA 91761

United States

Tel: 888-352-3558

Price Match Policy:

At Waterdrop, we highly value our customers' shopping experience. That's why we offer a 30-day price match guarantee. If you happen to notice a price reduction on the item you purchased at waterdropfilter.com within 30 days of your purchase, you are eligible to claim a price-match refund. To request a refund, please contact us at service@waterdropfilter.com. We are here to assist you promptly.

Note: This Waterdrop price-change refund policy only applies to items shipped and sold by waterdropfilter.com. If you're buying from a different vendor, you'll need to contact that seller if the price drops.

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Model number
Replacement Filter
Power Specification
4.5V AA battery * 3
System Size (L*W*H)
14.81” * 4.68” * 13.97”
Feed Water Temperature
41-100 °F / 5-38 °C
Feed Water Pressure
14.5-87 psi / 0.1-0.6 MPa
Waterdrop Under-Sink Ultra Filtration System attains excellent purification performance. The innovative filter design enables the system to decrease contaminants while preserving beneficial minerals, supplying much healthier and much safer water for you as well as your loved ones. With the premium Waterdrop ultrafiltration membrane layer, the system provides excellent filtration efficiency. With a pore size of 0.01 micron, the ultrafiltration membrane can reduce hazardous substances. Aside from the PP filter for big contamination elimination, the carbon block filter improves taste and smell, ensuring tasty, safe drinking water. The system does not need an undersink electrical energy supply, which means you do not need to worry about your power supply under the kitchen cabinet. For that reason, you can consume clean and safe water even in emergency situations like a power blackout. Unlike other water filtering systems that create a great deal of wastewater, this ultra-filtration water filter system creates prime-quality purified water with absolutely no wastewater.

What is the rated input water pressure of the ultrafiltration water filter system?

The input pressure is rated for 14.5-87 psi / 0.1-0.6 MPa.

What is the feed water temperature of this ultra-filtration undersink filtration system?

This ultra-filtration undersink filtration system requires feed water temperature of 41-100℉/ 5-38℃.

How to install the ultra-filtration undersink filtration system?

Step 1: Install the feed water adapter.
Step 2: Install the faucet.
Step 3: Install the batteries and place the system.
Step 4: Connect tubing.
Step 5: Start up the system.
You can get a detailed instruction and a user manual on the product page. It’s suggested to search and watch the “How to install Waterdrop ultrafiltration system” on YouTube.

What size of the hole do I need to drill for the faucet of this ultrafiltration system?

It's suggested to drill a hole of 1". You could also use the reserved hole for the soap dispenser on your countertop to install this faucet directly if there is one.
Besides, a sticker is out of box, which could be used as a reference while drilling the hole.

How often do I need to change the filter?

The PP filter has a 6-month lifespan; the UF filter has a 24-month lifespan, and the CT filter has a 12-month lifespan. This ultrafiltration water system has smart filter life indicators on the panel that will remind you to replace the filter.

Does the ultra-filtration undersink filtration system produce waste-water?

Contrasted to various other water filtration systems that create a lot of waste-water, Waterdrop ultrafiltration inline purification system produces optimal cleansed water with zero drainage. Waterdrop recognizes how beneficial water in the fresh tank is, and we are committed to providing clean water that is socially equitable, environmentally sustainable, and also financially helpful.

Does the ultrafiltration undersink water filter system require a wall plug?

The ultrafiltration water system does not require an undersink electricity supply, which indicates you do not need to bother with your power supply under the kitchen cabinet. The only thing you need is 3 4.5 V AA batteries. As a result, you can consume clean and also risk-free purified water even in emergencies like a power blackout.

Do I need plumbing services to install the system?

No. Waterdrop ultrafiltration inline filtration system is developed for DIY installation. You can set up the system in thirty minutes. Just refer to the instruction manual and instructional video clips, or call us by e-mail, phone, or live chat.

What does this ultra-filtration undersink filtration system reduce?

This 0.01-micron ultrafiltration membrane can reduce harmful compounds larger than 0.01-micron., including chlorine, odor, and also effectively adsorb lead, chloramine, fluoride, heavy metals, VOCs. Besides, this system is not designed for TDS elimination, It will certainly maintain minerals such as potassium, calcium, salt, and also magnesium, which are beneficial for your health and wellness.

How does ultrafiltration membrane work?

UF membrane uses standard home water stress to press water via a semipermeable membrane and also reduce any type of impurities. Unlike reverse osmosis, ultrafiltration preserves minerals in the water, while filtering out microorganisms, viruses, as well as parasites.

What is the difference between filtration and ultrafiltration?

The main distinction between filtration and ultrafiltration is the pore dimension of the membrane layer. With each various filtration procedure, a range of elements are either obstructed or travel through with the water. The 0.01-micron uf membrane of Waterdrop ultra-filtration undersink filtration system minimizes chlorine and also effectively adsorbs lead, chloramine, fluoride, heavy metals, VOCs, and far more.

What are the differences between this ultrafiltration system(TSU) and the dual carbon system(TSC)?

The main difference between TSC and TSU are:
Filtration accuracy: TSU 0.01μm / TSC 0.5μm
Different filter: TSC: 3 filters, PP+CS+CT / TSU: 3 filters, PP+UF+CT
The TSU can reduce the bacteria from the source water while the TSC cannot.

What is the difference between ultrafiltration and reverse osmosis?

The ultrafiltration water filter system uses a hollow fiber membrane to reduce solid particles as well as microscopic contaminants. Ultrafiltration is a filter system, while reverse osmosis is a process where molecules are divided. Waterdrop also provides a reverse osmosis water filter system if you need it.
Outstanding Filtration
Three Types Filter
Lifespan Reminder
Easy For Any Tasks
Easy to Replace
Saving Space
0 Leakage