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

Waterdrop
Trustpilot
$189.99
$189.99
$149.99
$40 OFF CODE:
WDTST
Buy now

Guaranteed Safe Checkout

TrustScore 4.6
1764 reviews
4.7 Rating
1476 Reviews
How to Get Rid of PFAS Chemicals in Water
Learn More >
  • Key Feature
    • [Selected materials] The lead-free 304 stainless steel material makes the stainless steel 3 stage filtration system resistant to corrosion and compression. The thick sealing ring in the cap prevents leakage.
    • [Efficient filtration] 6-stage filtration layers filter out most harmful substances larger than 0.01 μm. The 0.01 μm precise ultrafiltration membrane reduces chlorine, heavy metals, chemicals and more.
    • [Recyclable housing] You don’t need to replace the stainless-steel housing. Just replace the inner filter once the filter expires. The PP filter lasts 6-8 months, UF filter lasts 12 months, and CT filter offers an ultra-long life of up to 24 months, which reduces replacement frequency. It ultimately helps to save money, while protecting the environment.
    • [Faster water flow and easy installation] The stable flow rate can get as high as 1.59 GPM. You can connect the system directly to your home faucet without drilling a hole on the countertop.
    • [Multiple arrangement options] The user-friendly innovative design allows the system to be hung on the cabinet wall or placed on the floor. Click here to compare our undersink filtration systems.
Free Shipping ×
Shipping policy

Shipping rates and delivery estimates


Shipping Method

Estimated Delivery Time

Costs

Economy Shipping

4-10 Business Days

Free

Standard Shipping

3-6 Business Days

$5.99(Free on order over $200)

Express Shipping

2-5 Business Days

$12.99

* 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.


Shipping origin

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.

30-Day Return ×
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.

Copy successfully!

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

$189.99
$189.99 


Model number
WD-TST-UF
Operating temperature
40-100℉ (5-38℃)
Working pressure
15-87 psi/ 0.1-0.6 MPa
Flow rate
1.5 GPM (tested under 60 psi)
Feed water requirement
Municipal tap water
Filtration accuracy
0.01 micron
Filter capacity
First P1 filter: up to 6-8 months

                    Second U2 filter: up to 12 months

                    Third C3 filter: up to 12-24 months
down

Show More Information

This stainless steel 3 stage filtration system is currently the most popular type of filter. Unlike common plastic systems on the market, the Waterdrop 3-stage stainless steel water filtration system is made of lead-free stainless steel, which makes the system resistant to corrosion and compression. It is durable, strong, and less prone to cracking. At the same time, the thick sealing ring in the cap prevents leakage.
This Waterdrop 3-stage undersink water filter has 6 layers of premium filtration material, including non-woven fabric, PP cotton, activated carbon block, and an ultrafiltration membrane. The 0.01μm precise ultrafiltration membrane filters out most harmful substances larger than 0.01μm, such as rust, sediment, chlorine taste and odor, benzene, bacteria, and colloids. It can also partially reduce algae, chloride, copper, lead, and mercury. The activated carbon block and PP cotton effectively reduce chlorine, heavy metals, chemicals, cysts, odor, rust, and large particles in your water while improving the taste.
The Waterdrop 3 stage water filter system has recyclable housing. You need to replace only the inner filter. The system can last for a long time. The PP filter lasts 6-8 months, the UF filter lasts 12 months, and the CT filter offers an ultra-long life of up to 24 months, which may vary according to local water quality.
If you are looking for a filter that doesn’t require a drill, this is the best one for you. The system can hang on the wall or stand on the floor. Also, it has a 1.59 GPM water flow. With a complete accessory kit, you can finish the installation without having to purchase extra tools

What is the difference between TST-UF and TSA-10?

The Waterdrop TSA-10 is an under-sink 3 stage water filter system featuring PP cotton, granular activated carbon, activated carbon block, and KDF. Meanwhile, the Waterdrop TST-UF system adopts an advanced ultrafiltration membrane. With 0.01-micron filtration precision, the system can filter out more contaminants than TSA-10. Also, the TST-UF has stainless steel housing, which is stronger and more durable.

What is the difference between the TST-UF and WD-UA?

The Waterdrop WD-UA is an under-sink single-stage filter featuring PP cotton and activated carbon block. Meanwhile, the Waterdrop TST-UF consists of a 3-stage filter, which is more effective and powerful. With 0.01-micron filtration precision, the system can filter out more contaminants than the WD-UA. Also, TST-UF has stainless steel housing, which is stronger and more durable.

How do I replace the filter for this stainless steel water filtration system?

Replacement is easy. Simply twist off the stainless steel housing, remove the expired filter, and insert a new one. The twist-to-lock design makes the replacement process simple and smooth. Twist on the housing when you’re done.

How long is the filter life of this 3-stage undersink water filter?

The PP filter lasts 6-8 months, the UF filter lasts 12 months, and the CT filter offers an ultra-long life of up to 24 months, which may vary according to local water quality.

Does the package include any tools or kits for installation?

Yes, you get all the accessories you’ll need out-of-the-box. The accessory kit includes stainless steel inlet and outlet hoses, 1-meter-long Teflon tape, converters, and more.

What contaminants can this 3-stage undersink water filter reduce?

This 3-stage undersink water filter effectively filters out bacteria, chlorine, heavy metals, large particles, cysts, sand, rust, sediment, chloramines, asbestos, giardia, chemicals, and more.

What are the pros of this stainless steel 3 stage filtration system?

The Waterdrop under-sink stainless steel 3 stage filtration system has premium 304 stainless steel housing, which is lead-free, corrosion-proof, and compression-proof. The low lead and cadmium content makes it stronger and durable enough to resist cracking. The thickened sealing ring prevents leakage. If you encounter any problems within the first three years of use, kindly reach out to us and we will solve them.

Can the Waterdrop stainless steel water purifier be recycled?

Yes, the stainless steel housing can be recycled. When a filter expires, simply replace the inner filter while the housing remains on.
Selected Premium Materials
Waterdrop stainless steel 3 stage filtration system adopts lead-free 304 stainless steel material, which makes the system resistant to corrosion and compression. The system is durable, strong, and less prone to cracking, thanks to minimal lead and cadmium content. The thick sealing ring in the cap prevents leakage.
Efficient Filtration
This Waterdrop 3-stage water filter system has 6 layers of premium filtration material, including non-woven fabric, PP filter, ultrafiltration membrane, and activated carbon block. 0.01 precise UF membrane reduces bacteria. The activated carbon block and PP cotton effectively reduces chlorine, heavy metals, chemicals, cyst, odor, rust, and large particles in your water, while improving the water taste.
Superior Ultrafiltration Membrane
Waterdrop 3-stage undersink water filter adopts one of the most effective physical filtration materials - ultrafiltration. The 0.01 μm precise ultrafiltration membrane filters out most harmful substances larger than 0.01 μm, such as rust, sediment, chlorine, taste and odor, benzene, bacteria and colloids; It could also partially reduce algae, chloride, copper, lead, mercury.
Longer Service Life Benefits Environment
The stainless steel water purifier is designed to provide long-lasting usage, with the CT filter offering a maximum lifespan of up to 2 years. The PP filter lasts 6-8months, UF filter lasts 12 months, and CT filter offers an ultra-long life of up to 24 months, which may vary according to local water quality.
You only need to replace the inner filter only, saving you money and efforts while protecting the environment.
1.59 GPM Stable Water Flow
The innovative design of this Waterdrop stainless steel water filtration system doesn’t require drilling a hole on the countertop to install. You can connect it to your kitchen faucet directly, and get filtered water directly for drinking or washing. The maximum 1.59 GPM flow rate is stable and fast enough to fill a 8oz cup of water in just 2.3 seconds.
Two Placement Options
This Waterdrop 3-stage water filter system offers two placement options. The system can stand on the floor, which saves trouble of drilling on the wall. It can also hang on the wall, saving your under sink space for other important things.
Convenient Installation With A Complete Accessory Kit
You get the complete and necessary accessories out-of-the-box. The system fits 3/8” and 1/2” cold water pipes perfectly. You can be done with the entire installation in less than 5 minutes.
The accessory kit includes stainless-steel inlet and outlet hoses, 1-meter-long Teflon tape, converters, and more.
Trustpilot