Waterdrop

Waterdrop 10UA Under Sink Water Filter System Reduces PFAS PFOA PFOS Lead Chlorine Bad Taste Odor Under Counter

50+ bought in the past month

$44.99$55.99

About this item

  • Compatibility: Suitable for faucets with 1/2" or 3/8" FEMALE NPT thread. If a female threaded connector is needed to connect to your faucet, please contact us BEFORE purchase.
  • Less than $25.99 per replacement filter WD-RF10(Search " B085G66JTZ "on Amazon), save over 50% of cost on subsequent use.
  • [After Sales Assistance] Waterdrop Backs the WD-10UA's high-end technical performance with a comprehensive prorated performance service; should a quality issue arise with the filter, you can contact us.
  • [Innovative Design] Only a cold-water source should be used to power the filter. Its twist-and-lock construction and push-to-connect fittings enable installation in three minutes, three second replacement, and safety-assuring integration. This filter comes with a 3/8" line that connects directly to US sinks' standard 3/8" feed water valves. The system is connected to 1/2" and 3/8" cold water pipes and faucets with the use of the 3/8"-1/2" convertor fitting.
  • [Solve Clogging Problem] By upgrading the filtration area, our filter now provides a 20X increase in dirt adhesion area, enhancing filtration capability while minimizing the risk of clogging.
  • [Filter Replacement and Long Lifespan] This system may be upgraded with a UF or a MZ filter to meet your water needs. It is compatible with several filters with various functions. Each system has a maximum service life of 12 months when used with municipal water, which is sufficient to cover the needs of an entire household. Before going on vacation, please Put the filters in separate sealed plastic bags, and store the bags in your refrigerator (NOT the freezer) to keep it fresh in 30 days.
  • [Wide Application] The filtration system was created for residential and commercial usage, and it can be installed in your kitchen, bathroom, RV, or office to satisfy your daily water demands. This under sink water filter is the finest option for a leased property due to its stunning design and compact size. It is suitable for faucets with a FEMALE thread of 1/2" or 3/8". Please get in touch with us prior to making a purchase if a female threaded connector is required to connect to your faucet.
  • TDS is not a professional way to measure the water quality. Essential Minerals, Calcium, Potassium, Sodium, Magnesium...These essential minerals are dissolved solids, PPM will not be dropping if you test with a TDS meter. Waterdrop undersink water filtration system is keeping all those minerals, but removes elements that are harmful to your body. Note: The activated carbon is made from natural coconut shells. Please confirm whether you are allergic to it.
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Product details

BrandWaterdrop
Special FeaturePFAS, PFOA/PFOS and Chlorine Reduction, 12 months, NSF/ANSI 42&372, Easy Installation, Replacement filter: WD-RF10 See more
Product Dimensions3.9"L x 3.6"W x 12.3"H
MaterialNSF/ANSI Approved Material Components
Capacity11000 Gallons
Included ComponentsSystem×1 ·hose×2 ·3/8"–1/2" Convertor set×1 ·screws×2 ·Teflon tape×1
Package InformationBox
Installation TypeUnder Sink
Purification MethodRemove iṁpurities, retain beneficial minerals
Power SourceMechanical Water Pressure

Technical specifications

brandWaterdrop
special_featurePFAS, PFOA/PFOS and Chlorine Reduction, 12 months, NSF/ANSI 42&372, Easy Installation, Replacement filter: WD-RF10
product_dimensions3.9"L x 3.6"W x 12.3"H
package_informationBox
installation_typeUnder Sink
power_sourceMechanical Water Pressure
item_weight2.88 pounds
model_nameWD-10UA
maximum_flow_rate2.5 Gallons Per Minute
upper_temperature_rating100 Degrees Fahrenheit
upc840814170830 840814179000
global_trade_identification_number00840814179000
manufacturerWaterdrop
part_numberWD-10UA
item_model_numberWD-10UA
size1 Year
colorBlack
style11000Gallons
item_package_quantity1
special_featuresPFAS, PFOA/PFOS and Chlorine Reduction, 12 months, NSF/ANSI 42&372, Easy Installation, Replacement filter: WD-RF10
batteries_includedNo
batteries_requiredNo
warranty_description1 Year Manufacturer
best_sellers_rank#1,487 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Under-Sink & Countertop Filtration
date_first_availableJanuary 8, 2020

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Customer reviews

4.612,629 ratings

Customers say

Customers find the water filter system easy to install and appreciate its ability to eliminate chlorine taste and smell. Customers praise its functionality, with one noting it works without clogging.

★★★★★

Cheap and easy to install. Water now tastes great.

CheaJanuary 3, 2026

I live in an apartment and wanted something more efficient than a refillable water filter system. I had been using a zerowater filter refillable pitcher type but the filters made the water taste almost sour after a couple of weeks and had to stop using it. This water filter seems to be of good quality and has made a difference in the taste. I have mine setup to work through the cold water side in my kitchen sink and it works beautifully. For 37$ or whatever it is far better and cheaper to use this than a water filter pitcher type alternative. Also it says the filter is good for a year?! Just buy it. You’ll be glad you did. Read more

★★★★★

Amazing product

JacobJanuary 14, 2026

Awesome our water is so bad everyone in my town buys bottle water this filters everything and water tastes better than bottles filters last iv had it over a year now on kitchen sink and just now buying a filter easy install well built and affordable good flow no leaks it's perfect Read more

★★★★★

The cat likes the water

edtimbobJanuary 16, 2026

Easy installation, once you figure out how to get your head & shoulders under the sink. Connected to city water. Supposed to last (hassel-free) for one year, check periodically for leaks. The filter last for 12 moths? The filter is easy to install & remove. 800 number in installation instructions for any problems. I guess it is filtering the water. The water is clear & has no taste. The cat likes it & she never drinks water. Read more

Review image 1
★★★★☆

Not sure what to think about it.

RealdrummerOctober 26, 2025

Fairly easy to install, but the tubing is way too long and difficult to manipulate in tight spaces because it's very stiff. I wasn't sure if cutting it shorter would compromise the connection points, but that may or may not be an issue. Once connected, the water flow is good with no noticeable drop in pressure at the normal faucet and plenty of strong pressure at the filter faucet. I let a good amount (5 minutes) of water flow through before trying to drink any water. Initially I saw what seemed to be a lot of particles and/or bubbles in the filtered water. This was concerning as different flow levels seemed to determine the amount of particles or bubbles I saw in the filtered water. I did do a TDS test with a measurement device and the total dissolved solids were actually slightly higher than in the unfiltered tap water. I realize the filter clearly claims it does not remove TDS, but again I was concerned that it was adding to that number. Once again I ran the filter a good five minutes to flush out any filter particles, as most all new water filters suggest discarding the first filtered water run through. Currently the tap water and the filtered water register about the same TDS measurement so I feel a little better about it. Taste of the filtered water is good, by that I mean it has no taste, so that's a plus. I still see tiny bubbles every now and then but I think that may be due to the selected flow rate on the filter faucet's handle. Without a complete scientific analysis of the water, I am not 100% sure if this is doing much of anything. Hopefully it is removing some of the larger solids and harmful things in the water. Hopefully it's not adding any either! Read more

★★★★★

Terrific filter, easy to install, great customer service

Alan L.December 31, 2025

This is the third Waterdrop filter system I've bought since 2024 -- there were two sinks, and then one I installed at my daughter's home. Our city water has a chlorine taste, and this gets rid of it, plus it's supposed to remove a whole bunch of other stuff, including lead and PFAS. The units are easy to install, and all I can say is the water tastes great now, and I think my (French press) coffee is better, too. I can also report that Waterdrop's customer service is TOP NOTCH -- when I contacted them once about a small missing part, they got back to me right away and shipped it immediately. Read more

★★★★★

Easy installation and an immediate improvement to my tap water

Jon N.September 2, 2025

This filter is great. It immediately improves the quality of your tap water in taste, smell, and clarity to a huge degree. I live in a somewhat rural town that gets its water supply from a local lake, and the two times a year when it turns over, the water starts tasting and smelling really funky (almost like mold). This solves that problem completely! Installation is really easy - all it took was a drill, a crescent wrench, and some vice grips. It mounts cleanly to the cabinet wall below my kitchen sink and connected to my water line and faucet no problem with absolutely no leaks (no teflon tape required). Everything else you need is included in the box, even a little reminder button that's programmed to tell you when it needs a new filter. It's rated for about a year of use, but you could probably stretch it a little. From what I can tell, if you decide you want the filter to last a little longer, you can just swap out one of the bigger replacement filters since they all take the same adapter (I think). For that reason, I'd recommend installing it a little higher than you typically might in case you want to ever upgrade the filter size. After flushing it for 5 minutes, the cold water from my faucet started to come out clean and clear, with no discernible taste or smell. Huge upgrade! I use it exclusively for my drinking water, my ice maker, and even my morning tea tastes better. It is a bit big, but for something that's completely out of sight and lasts as long as it does, I don't have a problem with it. It's much less intrusive than an on-faucet filter or fridge pitcher, and you don't even have to think about it until the filter needs replaced once a year. It also will slightly reduce the water pressure from your cold line (I would say maybe 15%) so if you already have low pressure, that might be something to consider. That isn't a problem for my setup so I barely noticed it. Overall, I highly recommend this filter! For the price, you're getting clean, good-tasting water from your tap at all times with minimal maintenance and a simple installation process. Read more

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