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OptimH2O® Reverse Osmosis + Claryum® Carbon and Claryum® Filter Replacements
Carbon and Claryum® replacement filters for the OptimH2O® Reverse Osmosis + Claryum®.
Availability:
-
In Stock
100236751
AQ-RO3-R

This filter set replaces the Carbon and Claryum® filters in the OptimH2O Reverse Osmosis + Claryum® under sink water filter (AQ-RO-3).
Genuine Aquasana Replacements

Water You Can Trust
Genuine, certified Aquasana replacements are WQA tested and certified to NSF/ANSI Standards.

Peace of Mind
The OptimH2O® Reverse Osmosis + Claryum® reduces 89 contaminants including fluoride, arsenic, lead, PFOA/PFOS, and more.

Value & Convenience
More clean, great-tasting water filtered at the most economical cost per gallon. Save money and time with fewer filter replacements.
Innovative Technology

Carbon & Claryum® Technology
Four different methods of advanced filtration work together to in this system to remove 5X more contaminants than other RO systems.

Easy Filter Replacements
Expertly engineered for easy replacement. No need to disconnect hoses or water lines – simply twist off and replace.

Eco-Friendly
Minimal disposable plastic parts and no more single-use plastic 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.

WQA tested and certified to NSF/ANSI Standards 42, 53, 58, and 401 for the claims specified on the Performance Data Sheet.
Pure Performance
This filter removes up to:
97%
Chlorine, Chloramine
99%
Microplastics, Cysts, Lead, VOCs, Asbestos
96%
PFOS/PFOA
The OptimH2O® Reverse Osmosis + Claryum® Carbon and Claryum® Filter Replacements set replaces the Carbon (Stage 1) and Claryum® (Stage 3) of the OptimH2O® Reverse Osmosis + Claryum® (AQ-RO-3.55/56/62) and lasts for 365 gallons or up to 6 months.
These replacement filters are tested and certified to NSF/ANSI Standards 42, 53 (includes P473), and 401 to reduce 95% of mercury, 97% of chlorine and arsenic, and 99% of microplastics, lead, and asbestos.
Paired with the RO Membrane in the OptimH2O® Reverse Osmosis + Claryum®, these filters effectively remove up to 99% of 89 contaminants, including fluoride. In all, the OptimH2O® Reverse Osmosis + Claryum® removes 5X more contaminants than other RO systems, while maintaining the benefits of health minerals other reverse osmosis systems remove.
Filter replacements are engineered for the easiest replacement. No need to disconnect hoses or water lines - simply twist off and replace.
- Filter Life:
- 6 months
- Capacity:
- 365 gallons

OptimH2O® Reverse Osmosis + Claryum®
Combines expert filtration technology and reverse osmosis for the removal of 89 contaminants including fluoride.
Water filters are an effective way to provide your household with healthy, great-tasting water. Remove up to 99% of 89 contaminants including lead, chlorine, PFOA/PFOS, and more.

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!
1. Do I need a plumber to replace the filters?
Our replacement filters are designed for easy replacements – no plumber required. Please read through the owner's manual carefully before attempting to replace your filters. If you have any questions or need assistance, our technical support representatives at 866-662-6885 can walk you through the installation process. Or, follow along with our replacement video.
2. How often do I have to replace the cartridges (filters) and the R. O. Membrane?
• Stage 1 (Carbon) and Stage 3 (Claryum) filter cartridges should be replaced every 6 months or 365 gallons. To make replacements easier and cheaper, these cartridges are eligible for our Water for Life auto-ship program. Get free shipping, the best discounts, and an extended product warranty by joining Water for Life.
• We recommend replacing Stage 2 (RO Membrane) every 2 years depending on usage and water quality. For homes with higher water usage and/or poorer water quality, you may need to replace your RO membrane every 1 to 2 years. For homes with lower water usage and/or better water quality, you may only need to replace your RO membrane every 2 to 3 years.
• We recommend replacing the remineralizer every 1 year depending on usage and water quality.
• We recommend replacing Stage 2 (RO Membrane) every 2 years depending on usage and water quality. For homes with higher water usage and/or poorer water quality, you may need to replace your RO membrane every 1 to 2 years. For homes with lower water usage and/or better water quality, you may only need to replace your RO membrane every 2 to 3 years.
• We recommend replacing the remineralizer every 1 year depending on usage and water quality.
3. What does TDS mean?
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.
Aquasana OptimH2O® Reverse Osmosis + Claryum® comes standard with a 12-month remineralizer designed to replace healthy calcium, magnesium, and potassium lost in the reverse osmosis process.
Aquasana OptimH2O® Reverse Osmosis + Claryum® comes standard with a 12-month remineralizer designed to replace healthy calcium, magnesium, and potassium lost in the reverse osmosis process.
4. Does the Aquasana OptimH2O® Reverse Osmosis + Claryum® remove fluoride?
Yes. The Aquasana OptimH2O® Reverse Osmosis + Claryum® is WQA tested and certified to reduce over 95% of fluoride from your drinking water.
5. Does the Aquasana OptimH2O® Reverse Osmosis + Claryum® remove arsenic?
Yes. The Aquasana OptimH2O® Reverse Osmosis + Claryum® is WQA tested and certified to reduce over 97% of arsenic from your drinking water.
6. How many gallons of water does the R.O. holding tank store?
The total volume of the holding tank is 3.2 gallons. Volume is based on your inlet water pressure. So, the gallons in the tank can vary from 1.4-3.2 gallons at any given time.
7. What is the flow rate of the Aquasana OptimH2O® Reverse Osmosis + Claryum®?
The OptimH2O® Reverse Osmosis + Claryum® Under Sink Water Filter flows at a rate of 0.5 gpm (gallons per minute).