Top Rated

Claryum® 3-Stage

3.4 out of 5 Customer Rating
Claryum® 3-Stage - Brushed Nickel is rated 4.5 out of 5 by 1682.
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Immediate access to clean, healthy water. 77 contaminants reduced, plus a Pre-Filter to tackle sediment and rust.

15X
FILTERS 15X MORE CONTAMINANTS THAN THE LEADING PITCHER FILTER
Availability: 
  • In Stock
100236342 AQ-5300.55
Select Faucet Finish: Brushed Nickel
SALE PRICE
$129.99 $285.70 MSRP
Water For Life Price
$129.99 55% OFF + Free Shipping!
55% OFF 3-STAGE UNDER SINK SYSTEMS 55% OFF 3-STAGE UNDER SINK SYSTEMS
Drink with Confidence
Delicious Taste
Peace of Mind
Get clean, healthy water by reducing 77 contaminants including lead, bacteria, cysts, chlorine, pesticides, and more.
Goodbye Fluoride
Ultra-Delicious
Remove contaminants while retaining beneficial minerals like calcium, potassium, and magnesium for healthier, delicious water.
Healthier Drinking Water
Nothing Added
Rest easy knowing that no chemicals are added during the filtration process, and that the only thing in your water is water.
Fast Water Flow
Water You Can Trust
NSF tested and certified to NSF/ANSI Standards 42, 53, and 401.
Easy Filter Replacement
Eco-Friendly
Minimal disposal plastic parts and no more single-use plastic water bottles. Make a difference with this sustainable, eco-friendly solution.
Premium Finishes
Your Culinary Secret
Filtered water produces more natural flavors for amazing results in the kitchen. Leave your friends wondering about your best kept secret.
How It Works
filter image
Pure Performance
Claryum® filtration reduces 15X more contaminants than the leading pitcher filter, while retaining healthy, beneficial minerals for purely delicious water.
Pure Performance
Claryum® filtration reduces 15X more contaminants than the leading pitcher filter, while retaining healthy, beneficial minerals for purely delicious water.
Innovative Technology
Selective Claryum® Filtration
Claryum® Technology
Four different methods of advanced filtration work together to remove 15X more contaminants than the leading pitcher filter.
Dedicated Faucet
Dedicated Faucet
Premium, all metal faucet – available in three designer finishes – keeps filtered water flowing.
Easy Replacement
Easy Filter Replacement
Expertly engineered for easy replacement. No need to disconnect hoses or water lines – simply twist off and replace.
77
Contaminants
Removes up to 99% of 77 contaminants.
nsf image
Tested and Certified to NSF/ANSI Standards 42, 53, and 401 for the claims specified on the Performance Data Sheet.
  • Filters 600 gallons or up to 6 months*
  • 1 year warranty
  • 90 day guarantee
* Capacity depends on water quality and usage.
Whole Health, Pure Performance
97%
Chlorine & Chloramine
99%
Cysts, Lead, VOCs, Asbestos
95%
Mercury
The Claryum® 3-Stage instantly transforms your ordinary tap water into clean, great-tasting water for 600 gallons or up to 6 months. The Claryum® 3-Stage includes a Pre-Filter to extend the life of your system, improve effectiveness, and increase performance.
Aquasana’s Claryum® filtration technology is tested and certified to NSF/ANSI standards 42, 53, and 401 for the reduction of over 97% of chlorine and chloramines, 99% of lead, and 96% of PFOA/PFOS. It’s also certified to reduce mercury, chlorine-resistant cysts, herbicides, pesticides, VOCs, pharmaceuticals, and more. In all, it tackles 15X more contaminants than the leading pitcher filter.
Claryum®’s selective filtration technology retains naturally occurring beneficial minerals found in water like calcium, potassium, and magnesium for healthier, more delicious water.
This system combines a 20 micron Pre-Filter with activated and catalytic carbon with ion-exchange for premium water filtration. These filters are intelligently designed with the environment in mind, with minimal disposable plastic parts for reduced plastic waste.
No more guessing when you need to replace your old filters. The Claryum® 3-Stage alerts you when it’s time to change your filters. Filter replacements are engineered for the easiest replacement. No need to disconnect hoses or water lines - simply twist off and replace.
The included all-metal dedicated faucet comes in three finishes – Brushed Nickel, Chrome and Oil Rubbed Bronze – so you can match your kitchen décor.
Get instant access to clean, filtered water with do-it-yourself installation.
  • Operating Pressure:
  • Operating Temperature:
  • Rated Service Flow:
  • Maximum Capacity:
  • System Dimensions:
  • 20-80 psi
  • 40-90 F
  • 0.5 gpm
  • 600 gallons
  • 4.25" x 12" x 9" (L x W x H)
Always use genuine, certified Aquasana replacements for continued contaminant removal and system performance.
replacement filter
Claryum® 3-Stage Filter Replacement
Replace every 6 months.
Filters 600 gallons of water or up to 6 months for clean, great-tasting water.
Help & Support
  • How to Install the Claryum® 3-Stage
  • video image 1 video image 2
    How to Replace the Filters in the Claryum® 3-Stage
video main image play icon
Claryum® 3-Stage
replacement filter Need a replacement filter?
Water filters are an effective way to provide your household with healthy, great-tasting water. However, waiting too long to replace your filter can cause your system to stop working, and it may even become a source of bacteria or mold. Prevent filter contamination by replacing it on time.
water drops Water For Life®
Get filters auto-delivered right when you need them – plus receive 15% OFF the price of the replacement filters, free shipping, and an extended warranty on your filtration system. Our no-contract Water for Life® program makes filter replacements simple and cost-effective!
Ratings & Reviews
Rated 5 out of 5 by from Great filter and great taste So far this filter system has made my city water chlorine smell and taste disappear by about 95% so I am very pleased with the results , i do wish the the inlet and outlet line for the water would would have line the Indicates exactly how far you need to push in to prevent leaks otherwise is great
Date published: 2021-02-17
Rated 5 out of 5 by from Wish we had installed it years ago! Pretty easy to install. The water tastes great, and it is filtering out all the nasty stuff. What a savings over water delivery.
Date published: 2021-02-11
Rated 5 out of 5 by from Convenient Under the Sink Water Filter This is my third or fourth filter. (I don't even remember that.) I keep buying the same filter over and over again. People had issues with leakage of the replacement cartilages, so I have decided to keep buying a new all the time. I just wish they had an option to buy without a faucet as I have a collection of them now... :) The installation was very easy. The water filter is for under the sink, which is very practical for me. Also, it is easy to use and to control. The water tastes good. I can taste a difference in water quality. Very pleased with this water filter, and I will keep buying it.
Date published: 2021-01-26
Rated 5 out of 5 by from Incredibly Easy Installation And Easy To Use The quality of the water is comparable to a water de-hardener system, flavor is incredibly good unlike other systems that give you clean water but with a lousy taste! "NOTE, THERE ISN'T ANY PHOTOGRAPHS OR VIDEO BECAUSE I PAYED FOR THIS ITEM!!
Date published: 2021-01-23
Rated 5 out of 5 by from Great Product We love this filter. It's everything it was advertised to be small, compact, and very easy to install. Also the faucet that delivers the filtered water is high quality and stylish.
Date published: 2021-01-16
Rated 5 out of 5 by from Very pleased I have been looking for an option to buying bottled water. After exploring water filer options, the triple filter system seemed to be a great solution as it was affordable and easy to install.
Date published: 2021-01-14
Rated 5 out of 5 by from Very happy I love this filter. My husband was installing it and got a phone call so I took over with my 10 year old. We got it done in about an hour including drilling the hole in the top of the sink. We read the instructions and also watched the video. I thought it was pretty easy. We monitored for leaks for a few days. The water is excellent. We could actually SMELL a difference with our blind taste test. The aquasauna water tastes like nothing. I am very pleased with this system. The brushed nickel matched our existing sink well. I use the water for drinking, cooking, coffee etc.
Date published: 2021-01-14
Rated 5 out of 5 by from Amazing Product!!! I absolutely love my Aquasana 3-Stage under counter filter! I've been buying bottled water for years and was looking for a more sustainable and cost friendly solution. Not only is it reasonably priced, but most importantly the water tastes super clean and delicious. It really makes drinking water more frequently easy!
Date published: 2021-01-06
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Customer Q&A

How can I install this system for water dispenser on countertop and to the ice maker line to refrigerator?

Asked by: Deb In Florida
You can go to your local hardware store and get another fitting just like the one Aquasana sent you with your install kit. Install that fitting right on top of the fitting you installed from Aquasana then hook up the service line to your counter top dispenser. Now you have a place for the water line that feeds your filters and the water line that feeds your refrigerator. I hope I made this clear. Glad to help.
Answered by: Steve G.
Date published: 2021-02-19

How can I get filter replacement for AQ-RO3

Asked by: Duds
You should be able to order them from the website or have them put on Auto-Ship.
Answered by: Sphere360
Date published: 2021-02-05

Can the faucet head turn from side to side or complete 360 to move it out of the way when doing dishes and things?

Asked by: Meredith
We move ours gently side to side. We are unable to turn it 360 so I don’t know if you can. My mother had one and when she moves it quickly back and forth it tends to loosen.
Answered by: Helpful Hanna
Date published: 2021-01-11

What micron are the filters

Asked by: Donna D
Hello, Thank you for reaching out to us. The 3-Stage system includes a 20-micron pre-filter before the two Aquasana Claryum® filters. This pre-filter increases the capacity of the system from 500 gallons to 600 gallons. In addition, it improves the flow rate in high sediment areas. If you have any further questions feel free to contact us at 866-662-6885. Thank you, Aquasana Customer Support
Answered by: Aquasana S
Date published: 2021-01-08

We needed a plumber to install the 3 stage under the sink model due to connecting to the fridge . Also it did not fit well under our sink do to pipes  and disposal. Difficult to reach now. Any solutions? Future smaller filters?

Asked by: Lauralee
MrEPH , thank you. We did try to install it on the opposite side of the disposal but there was not enough room due to the size of the filters . It had to be placed on the back panel underneath the sink which makes it extremely difficult to reach and change.  I was hoping since I’m not the only one with a complaint about the inability to fit , that they would come up with a more sleek fitting unit that is more universal for most “all” sinks. Ours isn’t extremely small underneath, and our home is only about 14 yrs old.. the filter cylinders with 3 in a row are just too deep and wide. It’s doable, but especially after needing a plumber to properly cut the lines to attach to the fridge, ( the warranty originally stated that if modified for this purpose a plumber should be used to keep the warranty intact) after that cost, the last thing we want is a lesser functioning counter unit, like the company answered on my question 
Answered by: Laural
Date published: 2020-12-11

I have a buzzing noise coming from the system under the sink. It has three filters red, black and yellow. How do I make noise stop?

Asked by: Ms Mee
I know it has an alarm for filter replacement. I have never had mine go into alarm but you might pull the battery out of the upper filter housing and see if it stops. If so then it wants you to change the filters.
Answered by: Steve R
Date published: 2020-12-05

Dear Aquasana support, Is it necessary  to shut off water supply for filter replacement? This is for 5300 system.  Thank you in advance. 

Asked by: Artak
Hello, Thank you for your question. Yes. It is absolutely necessary to shut off the cold water valve under the kitchen sink before replacing the filters. This will release the pressure from the system by turning on the filtration system faucet. Once there is no longer any water coming from the filtration system faucet, you will be ready to change the filters If you have any other questions or concerns, you may also contact us directly at 866-662-6885, Monday thru Friday from 8 am-6 pm CST, and weekends from 9 am-5 pm CST. -Aquasana
Answered by: -ACS
Date published: 2020-12-03

If I am on a well, and I use a water softener that I put salt in, will this thing still help my water if I am on a well

Asked by: Colls
Yes, the water will taste better.
Answered by: Old pipefitter.
Date published: 2020-11-27
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FAQ
Aquasana FAQs
1. Do I have to pay for a plumber to install the system?
Our under sink drinking water filter systems are easy to install, and a plumber is not required. If you have any questions or need assistance, please call our Customer Support line at 877-996-2875. Or, follow the link below to our installation videos:
Claryum® 2-Stage and 3-Stage
Claryum® 3-Stage Max Flow
To install an under sink system, you can remove the existing sprayer or soap dispenser on your sink and install our faucet in its place. This option will not damage or permanently modify your plumbing. When you move out, you can easily remove the system and reconnect the plumbing back to normal. If you do not have an existing hole in your sink from a sprayer or soap dispenser, we recommend one of our countertop units, the Clean Water Machine or Claryum® Countertop. For an easy DIY under sink filter, our Claryum® Direct Connect attaches directly to your cold water line for clean, healthy water straight from your existing faucet.
The T-fitting supplied with our under sink systems is 3/8”.
The faucet that is included with our systems requires a 1/2" hole.
All Aquasana drinking water systems use the same patented Claryum® filtration technology. The difference between the under sink systems is the capacity and performance level.
Claryum® 2-Stage: 500 gallon capacity or up to 6 months.
Claryum® 3-Stage: 600 gallon capacity or up to 6 months. Includes 20 micron Pre-Filter.
Claryum® 3-Stage Max Flow: 800 gallons or up to 6 months. Includes Pre-Filter and a 44% increased flow rate.
Claryum Direct Connect: 784 gallons or up to 6 months.
We recommend changing the filter cartridges every 3 to 6 months, depending upon the specific filter gallon capacity. Regularly changing the filters prevents the growth of bacteria in the system and continues to deliver clean, healthy water. The filter capacity varies between each system:
Claryum® 2-Stage: 500 gallon capacity
Claryum® 3-Stage: 600 gallon capacity
Claryum® 3-Stage Max Flow: 800 gallon capacity
Claryum Direct Connect: 784 gallon capacity
To eliminate the hassle of remembering when to change your water filter, sign up for our auto-ship program, Water for Life®. Our no-contract program saves you 15% on filters, includes free shipping, extends your filter warranty.
Claryum® technology is a selective filtration process that uses sub-micron filtration, micron filtration, and adsorption. Together, these technologies reduce up to 99% of 77 contaminants from water while maintaining healthy minerals like calcium, magnesium, and potassium.
We recommend that you use the faucet provided with your purchase. We have extensively tested the system with the faucets included. The faucets are NSF tested and certified to contain no lead. In addition, they will not impart any unwanted chemicals into your water. If you choose to use another faucet, we recommend that you have a plumber install the system to ensure no leakage occurs. We also recommend that you install an NSF Certified faucet to ensure the health benefits of your new Aquasana water filter.
Due to the nature of the carbon blocks assembly and the contents of a used filter, the filters cannot be recycled.
No, this is not purified water, it is filtered water. Purified water undergoes reverse osmosis or distillation, which strips everything out of your water - not only the contaminants, but also the healthy, natural minerals. Our systems use selective filtration designed to reduce contaminants from the water and leave in the natural healthy minerals like calcium, potassium, and magnesium.
TDS, or Total Dissolved Solids, is the amount of dissolved minerals and metals present in water. TDS meters tell you the concentration of dissolved minerals and metals but are not an accurate measurement for contamination. Aquasana products reduce and remove harmful TDS like lead, but selectively retain or replace healthy dissolved solids like calcium, magnesium, and potassium. Read more about TDS here.
BPA stands for Bisphenol-A, a contaminant found in most plastics. BPA can adversely affect your health if consumed at high levels. Aquasana drinking systems do not contain BPA, and our filtration process reduces existing BPA.
No, hard water is not always considered contaminated. Most water sources in the USA are considered hard.
Hard water can be city water or well water meaning it may or may not be pre-treated. The minerals that make water "hard" are not considered contaminants, but hard water can still contain additional contaminants that are not safe for consumption.
Soft water is water that has either been treated by a water softener or naturally contains less hard minerals. The most recognizable trait of "soft" water is how much more soap lathers, as opposed to hard water.  Soap lathers less due to the higher concentration of minerals. Water softeners reduce the negative effects of dissolved minerals in water that can clump together and produce scale buildup.
Soft water does not mean clean water. Your water can be soft and still have contaminants present in the water.
Yes, soft water is considered potable. Drinking water from a sodium-based softener increases your daily intake of sodium, which can lead to health problems in sodium-sensitive individuals. Please keep in mind that a water softener is not a water filter. A water softener does not remove contaminants present in your water.