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Premium Counter Top Water Filter System in White

  • Drastically reduces odors and contaminants in tap water
  • Treats the equivalent of 4000 16 oz. water bottles
  • Backed by a 1-year limited manufacturer warranty
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Product Overview

Transform ordinary tap water into great-tasting, healthy water with Aquasana's innovative filter. Get always available, healthy water, right from your tap. No need to ever refill or wait for a drip pitcher again. This water filter system provides the healthiest, best-tasting water by selectively filtering more contaminants like lead, chlorine, chloramines and cysts while preserving beneficial minerals like calcium, potassium and magnesium. Aquasana gives you exceptional value, with water costing as little as ten cents a Gal. When you replace your filters every six months. Each time you replace the filters, you can give yourself credit for not using 4,000 16 oz. plastic bottles.
  • Aquasana drinking water filters reduce more contaminants at the best value
  • Attaches in minutes to your existing tap and takes only a small space on your counter
  • Latest model featuring easy-change cartridges, a reinforced housing and a new diverter
  • Unique claryum filtration technology is certified to filter over 60 different types of water contaminants including: chlorine, chloramines, particulates, mercury, lead, volatile organic compounds and asbestos
  • For a complete list of contaminants reduced, see the Aquasana AQ-4000 performance data sheet
  • System tested and certified by NSF international against NSF/ANSI standards 42 and 53 for the reduction claims specified on the performance data sheet
  • Stylish, sleek design fits with any decor style
  • Also available in black

Additional Resources

From the Manufacturer

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Contaminants FilteredLead, ChlorineLead, ChlorineLead, ChlorineLead, Chlorine, Copper, Iron
Filtration MethodAlkaline or Calcite,Coconut Shell CarbonCarbon BlockCarbon BlockKDF
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Fitting size (in.)
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Application Type
Water Treatment
Bacteria Reduction (%)
Chlorine reduction (%)
Contaminants Filtered
Lead, Chlorine
Copper Reduction (%)
No additional features
Filtration Method
Carbon Block
Fitting style
Fluoride Reduction (%)
House Hold Size
3-4 people
Iron Reduction (%)
Lead reduction (%)
Maximum feed water pressure (psi)
Maximum feed water temperature (F)
Maximum filtered water flow (gallons per min.)
Minimum feed water pressure (psi)
Minimum feed water temperature (F)
Number of filters included
Number of Stages
2 Stage
Pack Size
Product Type
Filter System
Product Weight (lb.)
Replacement Filter Type
Countertop Replacement Filters
Water Filtration System Type
Counter Top

Warranty / Certifications

Certifications and Listings
NSF Listed
Manufacturer Warranty
1 Year

Questions & Answers

Typical questions asked about products:

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  • What are the dimensions of the product?

Customer Reviews

  • 4.6
    out of 608 reviews
  • 95%recommend this product
Filter by:
Showing 1-10 of 608 reviews
Worst product I’ve ever owned!!
I would not purchase this product again for ten cents! After several months, we decided,to change the filter cartridges. My wife tried to unscrew the individual cylinders at the bottom of the unit and could not get them to open. I tried to do open them, and was able to remove one, but the other cylinder is so incredibly tight, you could give it to 1000 of the strongest people in this country and they wouldn’t be able to open it. And although I was able to open one of the cylinders, the filter is jammed in so tightly that it won’t come out. A 7 year old could design a better product than this piece,of absolute garbage.
    Was skeptical, pleasantly surprised
    This was incredibly easy to install and it’s easy to use. I love having filtered water at my fingertips, and we use it several times a day! This is perfect for apartment living. I did use a rubber band to loosely hold the tubing out of the way, but it doesn’t interfere in anything.
    • Verified Purchase
    • Recommended
    Great filter if you don't have much space
    Finally have a piece of mind that contaminants have been reduced and that 'drink more water' is actually going to be better for my health!
      • Recommended
      It does what you want it to do
      I have been a customer for at least 4 years, and my parents even longer. I must say, I truly like the job this filtration system does. And I have attached a picture to prove it. The filter on the right is the first filter the water enters through. Then it goes into the chamber with the filter on the left. This amazes me, and has made me even more of a loyal customer.
      Response from Aquasana Customer CareSep 24, 2018
      On behalf of Aquasana, thank you for your great feedback! We are delighted you are happy with your system. If we can ever be of assistance, please let us know!
        • Recommended
        David Sherman
        Its wonderful. Clean water right from the tap. The filters are a total pain to change. I think everyone just buys a new one. I've had it for years and I still can't easily change filters.
          simple and effective
          I'm conscious about the choices I make when it comes to what I put in my body. I really like the simple and effective use of this countertop setup. It was easy to install taking anywhere from 5-15 min. The only thing I'd like to know or have is mineralization and a water structurer.
          • Verified Purchase
          • Recommended
          works as advertised
          Setup was simple with easy to follow instructions. I had it out of the box and operational in less than 5 minutes. Now I can make my coffee using tap water and it tastes great. The unit takes up very little counter space and doesn't get in the way. Water flow is reduced when using it but that's to be expected and there are no leaks
          • DIY
          • Verified Purchase
          • Recommended
          5 found this review helpful
          Installs Fast, Filters up to 450 gallons, Chromed Metal Faucet Fixture
          The water filter by Aquasana is great in applications where you want your tap water filtered without installing a large filtration system onto your entire house water supply. Out of the box you'll get the silver plastic filter container with filters pre-installed, the chrome metal hose/faucet attachment, the hose assembly and an assortment of adapters and washers for different sinks. The parts count is low, and installation takes less than 20 minutes including flushing the filter once it's hooked up. NOTE: This filter will NOT work with the type of gooseneck faucets where the entire faucet head pulls off as a sprayer. It's important to know that before you buy it. You insert the color coded hoses into the bottom of the filter housing, then unscrew the faucet strainer and screw on the new faucet adapter/filter lines. If you can attach a hose to your faucet, you can install this filter. No plumbing experience, special parts or plumbing tools are needed. Once installed you have to flush the filter for ten minutes and then you're ready to use it for drinking water. You can only use cold water with this filter. Hot water will ruin the filters. Press the tab on the adapter and turn on the cold water. It flows at about 1/2 gallon per minute with the faucet opened all the way. It's completely silent, no odds sounds like some smaller size filters as the water is pushed through. It doesn't take long to fill a pitcher. Once the container or glass is full, shut off the water and the filter valve automatically closes for you, letting you use the regular faucet again. The filtered water is crystal clear and completely odor free. Just like water should be. Replacement filters can be found easily by searching the model number of the filter you have.
          • DIY
          • Recommended
          31 found this review helpful
          • Verified Purchase
          Great water. Internal housing needs redesign.
          I've been running 2 countertop units for many years. Love the filtration and the quality of the resulting water. However, there is a design flaw with the internal twin housing that causes it to crack at the corner where the short hose connects the two filters inside. Thus, it needs to be replaced every few years. Only cost shipping is if on Water for Life, but it prevents me from giving it 5 stars. Aquasana should fix this. Surely the weakness is known. I've replaced at least 4. OTOH, Aquasana's customer service is great. If it weren't for the occasional "guts" replacement, I'd give it 5 stars.
            • Recommended
            Showing 1-10 of 608 reviews