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Waterdrop Under Sink Ultra-filtration System (WD-TSU-W)


Regular price
Price: $199.99 USD
Regular price
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Sale price
Price: $199.99 USD
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Availability: In Stock

Most orders ship within 2-3 business days

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Waterdrop Under Sink Ultra-filtration  System

  • The 0.01-micron uf membrane of this undersink filtration system reduces 99.99% chlorine and effectively adsorb lead, chloramine, fluoride, heavy metals, VOCs, and much more. This system is not designed for TDS removal.
  • Adopts the cutting edge integrated waterway to prevent water leakage, which allows you to replace the filters without cutting off the water supply and produces prime-quality purified water with zero waste-water.
  • Smart indicating system 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.
  • This system is an innovative, all-in-one intelligent water purification system. In just a few minutes, the ultrafiltration inline filtration system can be installed completely.
Technical Specifications
Model number WD-TSU-W / WD-TSU-B
Replacement filter WD-TSPP / WD-TSUF / WD-TSCT
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
Shipping & Returns

As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.  If your item(s) are available for immediate shipment (within 3-5 business days), we will process the charges and submit the order for shipment.

Click here for detailed shipping and returns policy

Cancellation Policy

If you wish to cancel an order, please contact

If you contact us within 24 hours of purchase: We can cancel the order for you at no additional cost. The cancellation may take up to 3 days, thank you for your patience and understanding.

If the package is already shipped, we will issue a prepaid label and return your payment AFTER we have received the package from you. If you contact us after 24 hours of purchase: You need to bear the return fee if the package is already shipped (depends on our system, not the order status). The product has to be damage-free, packed in the packaging we sent to you, and with the original receipt of the purchase. We will return your payment AFTER we have received the package from you.

Return Policy

If you want to return the item, you need to bear the return fee yourself and pay 20% of the original order as a restocking fee. If you would like to return a product, please follow these guidelines: Reach out to for a Return Authorization. No returns will be honored without a Return Authorization. The package needs to come back with the original receipt of the purchase. The product has to be in the packaging we sent in the first place. The product has to be damage-free (not applicable for defective products), damage on the product will void the refund.

We offer a 30-day return guarantee. Warranty will begin from the date the product is received. If a product grows defective during the warranty period due to a quality issue rather than your own breakage or misuse, we can accept a return, provide free repair service, or issue a new replacement.

If you received a damaged / incorrect item and you want to file a claim, please email together with your order information and a picture of the damaged / incorrect product. We are eager to help.

Refund Policy

There are times when we may not have the product(s) that you choose in-stock or may face some issues with our inventory and quality check. In such cases, we may have to cancel your order. You will be intimated about it in advance so that you do not have to worry unnecessarily about your order. If you have purchased via online payment, then you will be refunded once our team confirms your request.

After receiving your request or your packages, it may take up 3-10 business days to refund your money.

Price Match

We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price then us within six months of your purchase date please let us know by contacting us and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.

To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.

Our 100% Price Guarantee has some limitations:

  • You must purchase the item from our website before requesting your Price Match Guarantee
  • Promotions such as rebates and buy one, get one free offers are not eligible
  • The item must be in stock on the competitors website
  • The competitor must be an online store, they may not have a retail location
  • The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
  • The competitor must be an Authorized Retailer of the product in question
  • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax


Customer Reviews

Based on 10 reviews
Paul R.
Great filter

We love our filter. We havnt bought water since installing. Easy enough to install, everything is good quality materials.

keith w.
Easy to install

Easy to install, works great!

Carmen C.
Good flavor

Flavor is so good! We had to ask for help for installation but so far so good. Well update within some months. Thank you

Good for the. I like and very easy to install...taste is a lil blaaa

Very easy to install and great kit for the price...only ding is the taste of the water, but you do get use to it. Much better than what I had before. It is worth the buy

BC 7
works perfectly easy to instal

I like in an area with fairly poor tap water, this unit was easy to instal and vastly improved the overall quality of tap water, thus saving money and landfill space.