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Waterdrop 0.01 micron Ultra Filtration SystemWaterdropDirect
  • Waterdrop TSU 0.01 Micron Ultra Filtration Under Sink Water Filter System, 3-Stage Tankless Under Sink Water Filtration System with Faucet, Smart Panel, Not Lower TDS, Drilling Required
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Waterdrop TSU 0.01 Micron Ultra Filtration Under Sink Water Filter System, 3-Stage Tankless Under Sink Water Filtration System with Faucet, Smart Panel, Not Lower TDS, Drilling Required

4.3 out of 5 stars 2,188 ratings
To see product details, add this item to your cart. You can always remove it later.
on any 2 Terms
Available at a lower price from other sellers that may not offer free Prime delivery.
Brand Waterdrop
Special feature Tankless
Product Dimensions 37.6L x 11.9W x 35.5H Centimetres
Material PP Membrane, Carbon Block, Ultrafiltration Membrane
Capacity 2200 gallons
Included components ·Faucet×1 set ·1/4” PE tubing×1 ·3/8” PE tubing×1 ·3/8”-1/2” feed water adapter×1 set ·Lock clip×4 ·Teflon tape×1 ·AA battery×3 See more
Installation type Under Sink
Purification method Reverse Osmosis, Carbon Block
Power source Corded Electric
Upper temperature rating 100 Degrees Fahrenheit

About this item

  • 0.01m Ultra Filtration membrane This 0.01 micron Ultra Filtration membrane can reduce most of the harmful substances larger than 0.01micron. This system can effectively reduce chlorine, taste and odor; reduce fluoride, heavy metals and much more. Besides, this system is not designed for TDS removal, It will retain minerals such as potassium, calcium, sodium, and magnesium, which are beneficial for your health.
  • Integrated waterway The system adopts the cutting edge integrated waterway to prevent water leakage, which allows you to replace the filters without cutting off the water supply, deliver you a safe and secured water purification experience.
  • 24 Months filter life The advanced ultrafiltration membrane design extended service life to 24 months, higher than most of the filter products on the market, which reduces the frequency of future filter replacement and saves future maintenance costs. The system delivers a more effective filtration than normal water filters, giving you pure and healthy drinking water all the time. In addition, the PP filter is 6 months and the CT filter is 12 months.
  • Smart indicating system Smart indicating system that allows you to check water quality and working mode with a glance. The electronic indicators on the front panel will notify you when to replace the filters by changing the color, ensuring safe, clean, and healthy purified water all day long!
  • Easy Installation Waterdrop Ultra Filtration system is an innovative, all-in-one intelligent water purification system. The system comes with a stainless steel faucet, a 3/8 inch inlet hose, a 1/4 inch outlet hose, a 3/8 inch -1/2 inch feed water adapter, and other necessary accessories. In just a few minutes, Waterdrop Ultra Filtration system can be installed completely, and in just three seconds, the filter can be changed with one single twist-pull. Installation is that easy!

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Product Description

Waterdrop TSU Ultra-filtration Under Sink Water Filter System

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

hero-video

Merchant video

  • No. Please note that this ultrafiltration system cannot reduce TDS.

    The system can intercept impurities in polluted water and reduce harmful substances, and also can retain basic minerals which are beneficial to health, but it cannot reduce the TDS.

  • PP filter: 6 months

    UF filter: 24 months

    CT filter: 12 months

  • ·Waterdrop Integrated DC Filtration System×1 ·Faucet×1

    ·PP filter×1 ·CS filter×1 ·CT filter×1

    ·1/4” PE tubing×1 ·3/8” PE tubing×1

    ·3/8”-1/2” feed water adapter×1 set ·Lock clip×4 ·Teflon tape×1 ·AA

Waterdrop Under Sink Water Filter System and Replacement

WD-TSU-W

Buying Options

WD-TSA-10

Buying Options

TSPP

TSCT

TSUF

WD-TSB-10

Buying Options
Customer Reviews
4.3 out of 5 stars 2,188
4.4 out of 5 stars 2,145
4.7 out of 5 stars 263
4.7 out of 5 stars 527
4.7 out of 5 stars 75
4.4 out of 5 stars 2,145
Life time
PP- 6, CT- 12, UF- 24, Mths PP- 6, GC- 8-12, CT- 12-18Mths 6 Mths 12 Mths 24 Mths PP- 6, GC- 8-12, CT- 12-18Mths
Filtration performance
Bäcteriä larger than 0.01μm Chlorine, taste and odor Sand,rust,particulates,solids Chlorine, taste and odor Contaminant larger than 0.01μm Chlorine, taste and odor
Smart lifespan indicator
✔ ✘ ✘ ✘ ✘ ✘
Reduce TDS
✘ ✘ ✘ ✘ ✘ ✘
Retain beneficial minerals
✔ ✔ ✔ ✔ ✔ ✔
Dimensions (inch)
14.81" * 4.68" * 13.97" 16.8" * 4.3" * 12.9" - - - 16.8" * 4.3" * 12.9"
Compatible model
- - WD-TSC/WD-TSU WD-TSC/WD-TSU WD-TSU -

Product information

Technical Details

Manufacturer ‎Waterdrop
Place of Business ‎Ontario, CA 91761, US
Part Number &;‎W-ճ-
Product Dimensions ‎46.7 x 16.2 x 47.3 cm; 6.3 kg
Batteries ‎3 AA batteries required. (included)
Item model number ‎WD-TSU-W
Size &;0.01μ
Colour ‎Black
Material ‎PP Membrane, Carbon Block, Ultrafiltration Membrane
Power Source ‎Corded Electric
Installation Method ‎Under Sink
Item Package Quantity ‎1
Hose length ‎59 Inches
Accessory Connection Type ‎3/8-inch NPT
Special Features ‎Tankless
Included Components ‎·Faucet×1 set ·1/4” PE tubing×1 ·3/8” PE tubing×1 ·3/8”-1/2” feed water adapter×1 set ·Lock clip×4 ·Teflon tape×1 ·AA battery×3
Batteries Included? ‎Yes
Batteries Required? ‎Yes
Battery Cell Type ‎Alkaline
Item Weight ‎6.3 kg

Additional Information

ASIN B086YH42QP
Customer Reviews
4.3 out of 5 stars 2,188 ratings

4.3 out of 5 stars
鶹 Rank
Date First Available June 29 2018

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Waterdrop TSU 0.01 Micron Ultra Filtration Under Sink Water Filter System, 3-Stage Tankless Under Sink Water Filtration System with Faucet, Smart Panel, Not Lower TDS, Drilling Required

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Price-14%$219.99
List Price: $254.99		$239.99-22%$429.00
Was: $549.00		$699.00-20%$159.99
List: $199.99		-14%$247.32
List: $288.77
Delivery—
Get it by Tuesday, Aug 12
Get it by Tuesday, Aug 12
Get it by Tuesday, Aug 12
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Get it by Tuesday, Aug 12
Customer ratings
4.34.3 out of 5 stars2,188
4.24.2 out of 5 stars183
4.44.4 out of 5 stars3,206
4.44.4 out of 5 stars3,680
4.54.5 out of 5 stars4,137
4.54.5 out of 5 stars5,649
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Customer reviews

4.3 out of 5 stars
2,188 global ratings

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Customers say

Customers like the installation, taste, and quality of the water purification unit. They mention it's easy to use, removes all traces of chlorine, and filters well. Customers also appreciate the compact size, design, and quality. However, some customers have mixed opinions on leakage.

Select to learn more

InstallationWater tasteWater qualityFunctionalityQualityCompactDesignLeakage
35 customers mention "Installation"35 positive0 negative

Customers like the installation of the water purification unit. They mention it's easy to install, simple, and convenient to use.

"Love it, great quality, easy to install" Read more

"Best of bests, very simple to use easy install takes less space, I got two of them for more than a year now very happy with the result." Read more

"No need to have an electrical outlet. Easy to install. The filtered water is clear with no odd taste." Read more

"...Not wanting to go without we looked to replace it. Very easy to install, great instructions and the tap that comes with it is excellent...." Read more

19 customers mention "Water taste"16 positive3 negative

Customers like the water taste of the water purification unit. They mention it removes all traces of chlorine taste.

"Great tasting water while being super convenient to use. The filters seems so easy to replace." Read more

"The water tastes good but the quick connect adapter for the faucet cannot hold...." Read more

"...Easy to install. The filtered water is clear with no odd taste." Read more

"...Water tastes much cleaner than tap or brita water...." Read more

15 customers mention "Water quality"12 positive3 negative

Customers are satisfied with the water quality of the product. They mention the water seems very clean, the filter does the job, and the filtered water is clear with no odd taste. Customers also say it's the easiest and simplest water purifier they can get.

"No need to have an electrical outlet. Easy to install. The filtered water is clear with no odd taste." Read more

"...Although the unit filters well when we are able to use it, the first unit leaked terribly and almost destroyed our counter under the sink...." Read more

"So far so good! Water seems very clean and water pressure is great too...." Read more

"...I thought everything was fine. Last week the filtered water was milky and I thought it was my water softener...." Read more

11 customers mention "Functionality"11 positive0 negative

Customers are satisfied with the functionality of the water purification unit. They mention it does very well and is an excellent system. Customers also say it works well drinking the filtered water.

"Works as promised. Water had great taste, was clear and had no smell. Partner was very impressed and happy. Very simple to install." Read more

"Works perfect" Read more

"...about 20 minutes to install and after a week of using it we have had no issues. Water tastes much cleaner than tap or brita water...." Read more

"This product is great super easy to install" Read more

10 customers mention "Quality"7 positive3 negative

Customers are satisfied with the quality of the water purification unit. They mention it's easy to install and an excellent product.

"Great product..." Read more

"Love it, great quality, easy to install" Read more

"...The reading should be lower than 50. It means the system is not doing the job. I just found another comment in Oct 2024 that said the same thing...." Read more

"...system is able to remove fluoride but overall it seems to be a great well made system." Read more

5 customers mention "Compact"5 positive0 negative

Customers like the compact design of the water purification unit. They mention it fits easily under the sink and the instructions are easy to follow.

"Best of bests, very simple to use easy install takes less space, I got two of them for more than a year now very happy with the result." Read more

"The unit is small and streamlined. It fits easily under the sink. The instructions were easy to follow. They even included plumbers tape...." Read more

"It is easy to install and takes up a small space, but the quality of the water adapter is very poor...." Read more

"Very compact, easy install ." Read more

3 customers mention "Design"3 positive0 negative

Customers like the design of the water purification unit. They mention it's easy to install and has a great design.

"I really like the looks of this unit, and the ease of installation! Along with legible instructions! The filters are very easy to change out too...." Read more

"I like the design very professional easy to change the filter but I still not use it yet because my kitchen still under renovation." Read more

"Easy installation and great design..." Read more

10 customers mention "Leakage"5 positive5 negative

Customers have mixed opinions about the leakage of the water purification unit. Some mention it leaks water constantly, splashes from the connection, and comes out strong. However, others say the water is as good as the GE and they are thrilled with the volume of water it dispenses.

"...We are thrilled with the volume of water that it dispenses. Only con is replacing 3 filters but they aren't too expensive...." Read more

"...Water splash from the connection we can only use the main shut off valve to turn off the water...." Read more

"...This one is easy to install, water as good as the GE and price is very resonnable" Read more

"...Unfortunately, the water outlet port part broke, causing water damage in the basement, per the attached photos...." Read more

Best bang for your buck and best DIY home filter kit
5 out of 5 stars
Best bang for your buck and best DIY home filter kit
Had this water filter for a month I read about how toxic our tap water is and hated the taste of it so I splurged and I'm happy I did it took me about 1 hour to install including cleaning out under the sink 🙄 first and I didn't have a drill bit big enough to drill the hole in my sink so I used the template sticker and drilled many small holes until I could remove the piece everything else was simple but the water is tasteless now and doesn't turn my keurig tank white with chlorine and fluoride and the coffee tastes better so far its great anyone with minimal handyman skills can install this go get it it's good..... and it's battery powered no wires 😉
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Top reviews from Canada

  • Nathan Cho
    5.0 out of 5 stars Super convenient
    Reviewed in Canada on July 14, 2025
    Verified Purchase
    Great tasting water while being super convenient to use. The filters seems so easy to replace.
    Helpful
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  • Yun Bei
    5.0 out of 5 stars User-friendly under sink water filtration
    Reviewed in Canada on May 25, 2025
    Verified Purchase
    No need to have an electrical outlet. Easy to install. The filtered water is clear with no odd taste.
    One person found this helpful
    Helpful
     Report
  • Abdullah
    5.0 out of 5 stars Great Product
    Reviewed in Canada on June 30, 2025
    Verified Purchase
    Best of bests, very simple to use easy install takes less space, I got two of them for more than a year now very happy with the result.
    Helpful
     Report
  • Bahaa Zalloum
    5.0 out of 5 stars Great quality, easy to install
    Reviewed in Canada on May 15, 2025
    Verified Purchase
    Love it, great quality, easy to install
    Helpful
     Report
  • Stephen
    4.0 out of 5 stars The quick connect kit not secure with the faucet
    Reviewed in Canada on March 2, 2024
    Verified Purchase
    The water tastes good but the quick connect adapter for the faucet cannot hold. Water splash from the connection we can only use the main shut off valve to turn off the water. Looks like the quick connect kit to the faucet cannot hold the water pressure. After a few try and solved the problem. Suggest to try the connector before unpack the product and hook up everything.
    3 people found this helpful
    Helpful
     Report
  • gloria Leung
    1.0 out of 5 stars Quality issue
    Reviewed in Canada on February 21, 2025
    Verified Purchase
    I bought the machine in 2021, I didn’t really test the quality of water because I didn’t see any white particles. I thought everything was fine. Last week the filtered water was milky and I thought it was my water softener. I asked the water company to check and found my tap water was fine and the water softener was working. He further checked the filtered water the TDS reading is 503 which was almost the same as the tap water. The reading should be lower than 50. It means the system is not doing the job. I just found another comment in Oct 2024 that said the same thing. Although I did my part to change the filters as indicated but I am wasting money.
    Customer image
    gloria Leung
    1.0 out of 5 stars
    Quality issue

    Reviewed in Canada on February 21, 2025
    I bought the machine in 2021, I didn’t really test the quality of water because I didn’t see any white particles. I thought everything was fine. Last week the filtered water was milky and I thought it was my water softener. I asked the water company to check and found my tap water was fine and the water softener was working. He further checked the filtered water the TDS reading is 503 which was almost the same as the tap water. The reading should be lower than 50. It means the system is not doing the job. I just found another comment in Oct 2024 that said the same thing. Although I did my part to change the filters as indicated but I am wasting money.
    Images in this review
    Customer image
    6 people found this helpful
    Helpful
     Report
  • Nick Marsman
    5.0 out of 5 stars Highly Recommend
    Reviewed in Canada on November 30, 2023
    Verified Purchase
    We originally purchased an RO system from (not this brand) and spent a week trying to install it with nothing but issues. We returned it and ordered this water filtration system instead. It took about 20 minutes to install and after a week of using it we have had no issues. Water tastes much cleaner than tap or brita water. We are still unclear whether this system is able to remove fluoride but overall it seems to be a great well made system.
    4 people found this helpful
    Helpful
     Report
  • Jamie Mahony
    3.0 out of 5 stars Waterdrop Review
    Reviewed in Canada on November 17, 2024
    Verified Purchase
    Relatively easy to install. Water tastes fine. Will need to buy separate t-connector, if running water to fridge.

    Unfortunately, the water outlet port part broke, causing water damage in the basement, per the attached photos.

    However, Waterdrop apologized and sent me an entire new unit. I am keeping the old unit for parts, since they are unique to the Waterdrop unit.

    Karina, Customer Service Representative was very understanding and did a great job, under the circumstances.

    Will need to buy separate t-connector, if running water to fridge.
    Customer image
    Jamie Mahony
    3.0 out of 5 stars
    Waterdrop Review

    Reviewed in Canada on November 17, 2024
    Relatively easy to install. Water tastes fine. Will need to buy separate t-connector, if running water to fridge.

    Unfortunately, the water outlet port part broke, causing water damage in the basement, per the attached photos.

    However, Waterdrop apologized and sent me an entire new unit. I am keeping the old unit for parts, since they are unique to the Waterdrop unit.

    Karina, Customer Service Representative was very understanding and did a great job, under the circumstances.

    Will need to buy separate t-connector, if running water to fridge.
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer image
    Helpful
     Report

Top reviews from other countries

Translate all reviews to English
  • hardy
    5.0 out of 5 stars pour remplacer mon ancien filtre sous lavabo cuisine
    Reviewed in France on October 23, 2024
    Verified Purchase
    depuis des années nous buvons l'eau du robinet filtré, mon ancien filtre avait deux cartouches filtrantes et nous avions des difficultés pour trouver les rechanges. ce filtre possède trois cartouches le boitier est plus pratique lors du changement des cartouches, certes le prix des consommables est plus chère, mais l'eau en est d'autant encore mieux filtré, très satisfait l'eau est sans conteste sans gout ni odeur nous recommandons.
    Report
  • Jana
    5.0 out of 5 stars Buen sabor. La instalación es relativamente sencilla
    Reviewed in Spain on May 31, 2024
    Verified Purchase
    Se trata de un filtro para colocar debajo del fregadero que incluye tres cartuchos con una capacidad de filtración de 0,01 micrómetros, eliminando una amplia gama de contaminantes y dejando el agua con un sabor notablemente más agradable.

    La instalación fue bastante sencilla. En lugar de usar el pequeño grifo que viene en el kit, opté por instalar un grifo específico para ósmosis siguiendo la recomindación de otro reseñador, lo que resultó ser una mejora significativa, permitiendo que toda el agua saliera por un único punto.

    A pesar de que el precio de este filtro no es bajo y los cartuchos de repuesto cuestan alrededor de 40€ cada uno, considero que es una inversión en salud que vale la pena.

    En conclusión, recomendaría este filtro a cualquiera que busque mejorar la calidad del agua en su hogar de manera efectiva y duradera.
    Report
  • Loizos Venizelos
    5.0 out of 5 stars Great product
    Reviewed in Germany on July 26, 2025
    Verified Purchase
    Great product
    Report
  • Alex
    5.0 out of 5 stars Outstanding Water Filter System – Tankless Design for Endless Fresh Water
    Reviewed in the United States on August 18, 2024
    Verified Purchase
    I recently installed the WaterDrop under-sink water filter system, and it has exceeded all my expectations. The water quality in my area was less than ideal, with a noticeable taste and odor that made drinking tap water unappealing. Since installing this filter, the transformation has been remarkable.

    Installation:
    The installation was surprisingly easy, even for someone without much DIY experience. The instructions were clear, and everything needed was included in the box. The best part is the tankless design, which significantly reduces the installation complexity and saves a lot of space under my sink. I had everything up and running in under an hour.

    Performance:
    The WaterDrop filter delivers exceptional performance. The water now tastes pure and refreshing, with no trace of chlorine or any other unpleasant flavors. This system is also highly effective at removing contaminants like heavy metals and sediments, providing me with peace of mind about the quality of the water I’m consuming. The flow rate is consistent and strong, even without a storage tank, which is impressive.

    Maintenance:
    Maintaining the system is a breeze. The filter cartridges are easy to replace, and the system conveniently reminds you when it’s time for a change. The lack of a tank also means fewer parts to clean or maintain, simplifying the upkeep process. The filter cartridges last a considerable amount of time, making this a cost-effective solution in the long run.

    Design:
    The sleek, tankless design is a huge plus. It takes up minimal space under my sink, leaving plenty of room for storage. Despite its compact size, the system is incredibly effective, providing an endless supply of clean water on demand. It’s also nice to have a system that’s out of sight yet so powerful in its performance.

    Conclusion:
    Overall, I’m thrilled with my WaterDrop under-sink water filter system. The tankless design is a game-changer, providing continuous, high-quality filtered water without the need for bulky storage. If you’re looking for a space-saving, efficient, and reliable water filtration system, I highly recommend WaterDrop. It’s made a significant difference in my home, and I’m confident it will do the same for anyone else.
    Report
  • Luca Balloriani
    5.0 out of 5 stars Mi ha svoltato la vita!
    Reviewed in Italy on June 26, 2025
    Verified Purchase
    Abitando al 3° piano di una palazzina senza ascensore, portare le casse d'acqua dal -1 al 3° era diventato logorante, quindi da tempo mi stavo documentando su qualche depuratore.
    Lo avevo adocchiato fin da subito grazie al prezzo competitivo e le recensioni positive, poi ho sempre desistito a causa della difficoltà nel reperire le bombole di ricambio.
    Poi mi sono reso conto che si, possono risultare non disponibili anche per uno o due mesi di fila, ma prima o poi tornano sempre; quindi l'ho acquistato (insieme ad un piccolo kit di bombole di riserva per stare tranquillo circa i primi 2 anni).
    Mai ho fatto scelta più azzeccata! Il depuratore funziona egregiamente, risulta solido, tutti i materiali usati sono ottimi ed è facilissimo da montare!
    Ho fatto fare un foro sul top in quarzo della mia cucina ed il resto me lo sono montato da solo in meno di un ora.
    A distanza di 2 mesi dall'acquisto non posso che consigliarlo vivamente!
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