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We offer a 100% Satisfaction Guarantee for the first 90 days after purchase. If for any reason you are not in love with your new Clearly Filtered product, you can return it for a refund. Return shipping is the responsibility of the customer and will be deducted from your refund.
Orders take 24–48 business hours to process (Monday - Friday, excluding holidays).
Domestic Shipping: Free Shipping in the USA. You should receive your shipment 5-7 business days after your order has been processed. Orders valued at $300 USD + will require a signature at delivery.
The Most Powerful Under-Sink Water Filtration System On The Planet
Worried about your tap water? Typical sink filtration systems either target too few contaminants, leaving you vulnerable to illness, disease, and other dangers pouring from your faucet… or targets beneficial minerals. Our advanced under-sink filtration system removes up to 99.9% of 232+ contaminants including heavy metals, pollutants, and chemicals. Upgrade to Clearly Filtered today to enjoy clean water from any existing faucet—no plumber, tank, or extra faucet required.
What Sets Our Under-Sink Water Filter System Apart
No plumber or power tools required. All you need is a wrench.
The system can be mounted horizontally, vertically, or simply leaned up against the wall. Filter performance is not dependent on placement or orientation.
The system sits flush and is just 3’’ deep. It doesn’t command any countertop space nor require excess space underneath your sink. Plus, no separate tank, drum, or extra faucet is needed.
Connects directly to your cold water line, no matter the material. Can be used with any sink (kitchen sink, bathroom sink, etc.) to provide clean water for drinking, cooking, cleaning, and more.
Unlike typical Reverse Osmosis systems, our advanced under-sink system ensures there is never any excess wastewater, tasteless “dead” water, or the need to remineralize drinking water after filtration.
Filters are powered by a smarter, stronger, and more efficient filtration technology that recognizes what should stay and what should go.
No need to shut off your water supply or hunt down tools. Replacement filters twist on and off. Plus, all three filters are installed and changed together so you never have to track individual usage.
Each filter has a leak-proof head and built-in water shut-off valve so there’s never any mess during filter changes.
Independently tested to NSF / ANSI and EPA standards by accredited labs whenever the standards are applicable to guarantee unparalleled protection. We publish performance data publicly so you never wonder what’s in your water.
Proven to perform better longer, no filter change is needed until approximately 2,000 gallons of water have been filtered. Our high-capacity filters last an average of one year for superior performance with minimal maintenance.
Every system includes three replaceable filters developed with our advanced Affinity Filtration Technology. Each of the three filter cartridges serves a unique purpose as they work together to give you easy access to clean water from any faucet.
This sophisticated coconut carbon pre-filter minimizes sediment and particles with various micron sizes to prime water for advanced filtration in Stages 2 and 3. The hazards extracted here impact color, odor, and water tastes, so you can see, smell, and experience the difference.
Built to eliminate hidden heavy metals, herbicides, pesticides, and more, this advanced filter targets the covert chemicals and contaminants that most miss including lead, radiation, chromium, and PFAS.
The breakthrough technology inside this filter targets superior levels of fluoride without relying on typical Reverse Osmosis technology that blindly targets beneficial minerals and produces excess wastewater.
I absolutely love this filter. It's super easy to install and the water tastes great. I was happy I did not experience a loss of water pressure... Overall I'm a very happy customer .
Installing my Clearly Filtered 3-Stage Filtering System was very easy to install in my apartment sink. Now I don't refill filter pitchers 10 times a day, Yay! It’s portable too should I move again so definitely worth the investment... The water tastes clean and has simplified my kitchen routines, plus I know I’m drinking good water.
I have been wanting a filtering system for a very long time, but couldn’t decide on which one to get. After researching for nine months, I decided on Clearly Filtered and couldn’t be happier. Installation was truly a breeze. Having delicious, CLEAN water instantly is what everyone wants and now we have it...
The under sink unit arrived today and installation was straightforward and simple. It doesn't take up much space and the water tastes even a bit better than the CF pitcher which is excellent already. Water flow is decreased a small amount as you describe, but any filter system will do that. It's great running it through the existing tap without having to install a separate spigot and call a plumber, and changing the filters in a year will be a breeze. Glad to be on the VIP program as well. Thanks for a well-thought-out and well-designed product. Keep up the good work.
Easy to install decided to do a dedicated cold water faucet and worked out great.
I am so excited to have the under-the-sink filtration system! We have had the pitcher for a couple of years and love it. We will still use it for cold water, but it is so nice to have the tap water for the coffee & tea pot and cooking for starters. Our well has awesome filters, but we still had concerns. No longer! I ended up not mounting it under the sink because it easily stands or leans and I think it will be easier to change the filters when the time comes. Highly recommend!
Removal of arsenic
So far so good, very easy installation. I actually will be purchasing two more one for my son and one for my daughter. Thanks again for everyone’s help.
Easy to install
Amazing filter system. Incredibly easy installation for renters or owners alike. We were using a RO system to filter the water previous to this system, which is better than nothing at all but reminerilizing is tedious and gets a tad annoying. Would definitely recommend.
This is probably an inevitable consequence, but the
decrease in water pressure is our only complaint.
So happy not to have to fill the pitcher.
I did quite a bit of research before I decided on this under sink filter. The extra investment is worth the peace of mind knowing the filter is taking out so many toxins but convenient because I don’t have to worry about demineralization. Installation was easier than I thought it would be and reduction in water flow is a non-issue in our home - I love that I didn’t need a separate faucet. One of the best purchases I have ever made. Thank you!
Also easy to install!
*If your tap water is heavily contaminated (most likely if you live in a large or older city), your filter must work harder to keep your water clean, which will decrease the life of the filter.