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💧 Pure water, zero hassle—upgrade your sink game today!
The Waterdrop UL12A is a renter-friendly, no-drill under sink water filter that delivers up to 11,000 gallons of purified water with a 12-month lifespan. Certified to reduce harmful contaminants like PFAS, lead, and chlorine, it features a smart filter life reminder and a quick twist-lock installation, making it ideal for millennials seeking clean, great-tasting water without the fuss or extra faucets.



















| ASIN | B0DLGPZN8Y |
| Best Sellers Rank | #1,512 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Under-Sink & Countertop Filtration |
| Brand | Waterdrop |
| Brand Name | Waterdrop |
| Capacity | 11000 gallons |
| Container Type | Box |
| Customer Reviews | 4.6 out of 5 stars 14,154 Reviews |
| Filter Life Cycle | 1 years |
| Included Components | System×1 ·hose×2 ·3/8"–1/2" Convertor set×1 ·screws×2 ·Teflon tape×1 |
| Installation Type | Under Sink |
| Item Dimensions L x W x H | 3.9"L x 3.6"W x 12.3"H |
| Item Highlight | No Drill Required for Renters, Easy Installation, Reduces Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified (Filter: FUL12) |
| Item Weight | 1.36 kg |
| LowerTemperature Range | 35 °F |
| Manufacturer | Waterdrop |
| Material | NSF/ANSI Approved Components |
| Material Type | NSF/ANSI Approved Components |
| Maximum Flow Rate | 0.75 gpm |
| Model Name | WD-UL12A |
| Model Number | WD-UL12A |
| Number of Items | 1 |
| Other Special Features of the Product | 12 months, Easy Installation, NSF/ANSI 42&372, PFAS, PFOA/PFOS and Chlorine Reduction, Replacement filter: WD-FUL12 |
| Part Number | WD-UL12A |
| Power Source | Mechanical Water Pressure |
| Product Dimensions | 3.9"L x 3.6"W x 12.3"H |
| Purification Method | Activated Carbon |
| Supported Water TDS Level Maximum (PPM) | 700 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 100 °F |
| Warranty Description | 1 Year Manufacturer |
B**.
Amazing solution for good water
Time will tell, but so far I’m thrilled with this filter! Affordable, compact, quick and easy install. This requires no electricity, no special equipment, and no dedicated faucet installed. Being able to have delicious water straight from my cold tap is a game changer. No more having water sit in plastic jugs, drive to refill, pay, and lug home. The initial cost is less than what I pay for refills, after a year the replacement filter will reduce the cost even more.
A**O
An Excellent Upgrade for Clean, Great-Tasting Water
I am incredibly impressed with my Waterdrop water filter. Since installing it, the improvement in water quality is noticeable immediately—it removes that harsh tap water taste and leaves everything crisp, clean, and refreshing. The installation process was straightforward and hassle-free, which I truly appreciate. It feels sturdy, well-designed, and gives me great peace of mind knowing that my family is drinking filtered water that is free from impurities. If you are looking for a reliable, efficient, and high-quality filtration system that actually delivers on its promises, I highly recommend this one. It is a fantastic value for the quality of water it provides!
S**R
Easy install!
Bought this for a friend to install in her apartment. Easy installation with household tools. A couple adjustable wrenches and a Phillips screwdriver and you are in business. Flush the filter for five minutes and amazing water right out of the kitchen tap. If you need a filter to give you great tasting water, I recommend this.
D**O
Easy to Install, Great for the price!
Easy to install (10 minutes), great tasting water! It does use a battery, and I haven't checked to see what kind, or how easy it is to replace. I'm also a bit worried about lesser known companies - will I still be able to purchase a new filter in a year or so when I need one? As cheap as this product is though, even in a worst case scenario, its still very much worth it! Again, the water tastes absolutely great. We already had good tap water, according to our annual water reports - but this removes the micro plastics, the flouride, the chlorine, etc. I highly recommend
J**L
More volume, better filter quality than a pitcher filter.
If you have city water and need a filter that will rapidly filter the water far better than a pitcher filter get this! I got it out of the box and had it installed with no leaks in 15 minutes. Water instantly tastes and smells better. With no wait.
A**R
Easy and delicious!
Wowwiiiee! Truly amazing. Super easy to install (took maybe 20 minutes) and the water tastes fantastic. I can't believe I put up with refilling a countertop water filter for years while this was an option. I did a side by side taste test with the tap water from before installing and the difference is night and day.
P**S
Removed chlorine smell and taste!!!
If you want a water filter to help remove the chlorine smell and taste from city water, this filter is the one to get! I was buying upwards of 15 gallons of spring water a month (for just me 😳) so I checked into different types of water filters. When I came across under the sink filters, I decided to try this one and it does not disappoint!!! No, as someone else mentioned, it does not give you the clean, crisp taste of spring water, BUT, in just a few days I’m drinking this water with absolutely no problem and loving it! Someone else mentioned a diminished water flow. That is not the case for me. This filter has not affected my water flow at all. Someone mentioned leaks, I’ve had no leaks. I had a friend install it for me. With just a quick glance at the instructions, he had it installed in no time. He said the instructions were straight forward and he appreciated the little template to align the screws 👍. I’m so excited that after 9 years of buying bottled water, I have great tasting, good quality water flowing from the cold water tap of the kitchen sink. One quick side note you might want to consider… my friend installed the filter at the front right side under the sink “so it would be easy for me to access when I needed to change the filter” 😱. He’s so smart! But does he really think I’m going to change my own filter 🤔? LOL, of course I will, and I’ve gotten a bit silly but that’s how excited I am about the taste of the water from this filter. It truly does everything it says it does!
J**.
Easy installation and an immediate improvement to my tap water
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.
D**N
An Absolute Game-Changer for My Wallet and My Peace of Mind!
For years, I was stuck in the expensive and wasteful cycle of buying bottled water. I was easily spending £7 a week on plastic bottles, which I knew was bad for the environment and, as I've now realised, a massive drain on my finances. That's over £360 a year! I finally decided to look for a better solution and stumbled upon the Waterdrop 10UA Under Sink Filter. To say I'm impressed would be an understatement. Installation was surprisingly straightforward. I'm no DIY expert, but the instructions were clear, and I had it fitted under my kitchen sink in less than half an hour. The immediate difference in the taste of my tap water was astounding. That faint chlorine taste and odour that you just get used to? Completely gone. The water is now crisp, clean, and genuinely refreshing to drink. It’s honestly better than the bottled water I was buying. But it’s the peace of mind that truly makes this filter worth every penny. Knowing it’s NSF/ANSI 42 certified and significantly reduces a whole host of nasties like lead, PFAS, PFOA/PFOS, and chlorine is incredibly reassuring. In an age where we're becoming more aware of water contaminants, having this level of filtration directly from my tap gives me total confidence in the water my family and I are drinking. The high capacity of 30,000 litres is another huge plus. It means I don't have to worry about constantly changing filters. It’s a simple, one-time installation for long-lasting, pure water. Switching to the Waterdrop 10UA has been one of the best decisions I've made for my home. I'm saving hundreds of pounds a year, drastically cutting down on my plastic waste, and enjoying delicious, safe water every single day. If you're still buying bottled water, I honestly can't recommend this system enough. It pays for itself in no time and delivers on every single promise. An easy five stars from me!
A**R
Awesome
Awesome. The install is easy and straightforward with no plumbing experience. For anyone wondering - this filter works just fine on a well system. I see about 35-40psi, and this filter works fine with basically no perceptible reduction in flow. Mind you my well water is softened and pre-filtered. Water tastes amazing! Highly recommended
S**S
Top
Plaats een kraan voor het omwisselen als de,e niet is
G**A
Waterdrop 10UA Podblatowy System Filtrów do Wody, Bezpośrednie Podłączenie do Baterii Kuchennej
jestem bardzo zadowolona z zakupu. Woda o niebo lepsza niż z dzbaków filtrujących
S**R
Much more affordable and convenient than a Brita! Why didn't I hear about this earlier?
Very happy to switch over to this from Brita filters! 1. Value - A standard Brita filter works for 40 gallons at ~$8 a filter. That's roughly 20 cents a gallon. - A Waterdrop filter works for 8000 gallons for ~$40 a filter. That's 0.5 cents a gallon. - That's 40x cheaper!!! 2. Convenience - No need to wait for the slow drip of a Brita filter; which usually gets slower as overtime - You only need to replace this filter once per year, rather than once a month (but with this filter, you'll end up using it for things besides drinking like hand washing and dish washing, so not a fair comparison; you'd need to replace a Brita way more often if you wanted to use it for everything) 3. Overall healthiness - Since this will be filtering your typical cold water you use for hand washing or dish washing, you'll also be getting clean water in these cases; further reducing the amount of unwanted chlorine and other chemicals and minerals you may be inadvertently ingesting My one concern is overall water pressure as time goes on; will the flow slow down once more gunk builds up? Given the stellar reviews I'm seeing on other listings though, I trust this won't be a concern. I'll update this review if anything changes over time!
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