Upgraded

Claryum® 3-Stage Filter Replacements

4 out of 5 Customer Rating

Replacement filters for the Aquasana Claryum® 3-Stage. Includes three Claryum® filters to reduce up to 99.99% of 78 contaminants.

15X
FILTERS 15X MORE CONTAMINANTS THAN THE LEADING PITCHER FILTER
Availability: 
  • In Stock
100236384 AQ-C3-R
price
$79.99
Water for Life® Price
$67.99 15% OFF + Free Shipping!
This filter set replaces the filters in the Claryum® 3-Stage under sink water filter (AQ-5300 and AQ-6300).
Genuine Aquasana Replacements
Water You Can Trust
Water You Can Trust
Genuine Aquasana replacements are WQA tested and certified to NSF/ANSI Standards 42, 53 (includes P473), and 401.
Peace of Mind
Peace of Mind
Get clean, healthy water by reducing 78 contaminants including chlorine, lead, pesticides, PFAS, microplastics, and more.
Value & Convenience
Value & Convenience
More healthy, delicious water filtered at the most economical cost per gallon. Save money and time with fewer replacements.
Innovative Technology
Claryum® Technology
Four different methods of advanced filtration work together to remove 15X more contaminants than the leading pitcher filter.
Easy Filter Replacement
Expertly engineered for easy replacement. No need to disconnect hoses or water lines — simply twist off and replace.
Eco-Friendly
Each filter set replaces the equivalent of 4,500+ plastic water bottles. Make a difference with this sustainable, eco-friendly solution.
This replacement comes with a 180-Day Limited Warranty and a 90-Day Satisfaction Guarantee so you can be confident in your purchase.
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WQA tested and certified to NSF/ANSI Standards 42, 53, and 401 for the claims specified on the Performance Data Sheet.
Pure Performance
This filter removes up to:
99.99%
Cysts
99.6%
Microplastics, PFAS (PFOA & PFOS), & Lead
99%
VOCs and Asbestos
97%
Chlorine

The Claryum® 3-Stage Filter Replacements set is designed for use with the Aquasana Claryum® 3-Stage systems (models AQ-5300 and AQ-6300) and provides clean, great-tasting water for up to 6 months or 600 gallons.

This set includes two advanced Claryum® filters that combine activated and catalytic carbon, ion-exchange, and sub-micron pre-filter to deliver premium contaminant reduction. A 5 micron pre-filter is also included to capture rust, sediment, and silt.

These replacement filters now feature even better contaminant reduction. Aquasana's Claryum® filtration technology is tested and certified to NSF/ANSI Standards 42, 53 (includes P473), and 401, for the reduction of 99.995% of Cysts, 99.6% of microplastics and lead, 99.7% of PFAS Forever Chemicals (specifically PFOA/PFOS), 97.3% of chlorine, and 91% of chloramines. The PFOA/PFOS results are tested down to 20 parts per trillion (PPT) per NSF’s new, even more stringent testing protocol.

The Claryum® 3-Stage is also certified to tackle mercury, herbicides, pesticides, pharmaceuticals, and more — 15x more contaminants than the leading pitcher filter.

Claryum®’s selective filtration retains healthy, naturally occurring minerals like calcium, potassium, and magnesium — so your water tastes better and supports overall wellness.

Designed with sustainability in mind, these replacement filters minimize disposable plastic waste — reducing your environmental footprint with every use. Each set lasts up to 600 gallons, replacing over 4,500 plastic water bottles at less than a tenth of the cost. Choose this smarter, eco-friendly solution that makes a real difference.

And with our twist-off design, filter replacement is quick and tool-free — no hoses or water lines to disconnect.

The set also includes a replacement battery so the system can alert you when it’s time to change filters. The UL-certified battery compartment is child-safe for peace of mind.

Gallons Filtered:
600 gallons
Filter Life:
6 months
replacement filter
Claryum® 3-Stage
Get immediate access to healthier water with 78 contaminants reduced. Includes a Sediment Pre-Filter and 20% more capacity.

Help & Support

  • How to Install the Claryum® Under Sink Systems
  • video image 1 video image 2
    How to Replace the Filters in the Claryum® Under Sink Systems
  • AQ-6XXX Product Video video image 2

    Claryum® Under Sink Systems

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Claryum® Under Sink Systems
replacement filter

Need a water filter?

Water filters are an effective way to provide your household with healthy, great-tasting water. Remove up to 99% of 88 contaminants including lead, chlorine, PFOA/PFOS, and more.

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Get filters auto-delivered right when you need them — plus receive 15% off the price of replacement filters, free shipping, and an extended limited warranty on your filtration system. Protect your investment and save money with our no-contract Water for Life® program.

FAQ
Aquasana FAQs
1. Do I have to pay for a plumber to replace my filters?
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 866-662-6885. Or follow the link to our replacement video: How to Replace the Filters in the Claryum® Under Sink Systems.
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 enables your system to continue to deliver cleaner, healthier water. The filter capacity varies between each under sink system:

To eliminate the hassle of remembering when to change your water filter, sign up for our auto-ship program, Water for Life®. This no-contract-required program saves you 15% on filters, includes free shipping, and extends your filter warranty.

Due to the nature of the carbon block's assembly and the contents of a used filter, the filters cannot be recycled.

All Aquasana drinking water systems use the same advanced Claryum® filtration technology. The difference between the under-sink systems is the capacity and performance level.

Claryum® technology is a selective filtration process that uses sub-micron filtration, micron filtration, and adsorption. Together, these technologies remove up to 99.99% of 78 contaminants while retaining healthy minerals like calcium, magnesium, and potassium.
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.
For your convenience, the system will alert you when it's time to change your filters. The alert is powered by the battery.
Your replacements came with a new battery tray with a new battery inside it. Simply swap the old battery tray + battery with the new set.
Ensure that the new battery tray is completely pushed into the manifold. If your system is still not recognizing the new battery, please contact Customer Support at 866-662-6885.
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 harmful dissolved solids 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.