UV Filter must be added to tackle bacteria and viruses.
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Out Of Stock
UV Filter must be added to tackle bacteria and viruses.
Claryum® Technology + Reverse Osmosis Filtration
Aquasana reverse osmosis systems combine powerful RO filtration with Claryum® technology to deliver ultra-pure, great tasting water.

Replacements
Replace your filters regularly to keep clean, healthy water flowing.
WATER FOR LIFE®
Replacement filters auto-delivered to you — for less.
15% off filter replacements, an extended limited warranty, and free shipping — no contract required. That's Water for Life®.
Learn More
Healthy living starts with healthy water
Discover all the ways cleaner, filtered water improves your well-being.
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Healthier Water
With exposure to environmental toxins on the rise, filtering your water is essential.
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Better Taste
We all need to drink more water. It’s easier if it tastes better.
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Softer Skin & Hair
Treat yourself to the ultimate self-care experience by bathing in water free from harsh chemicals.
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Easier Breathing
Improve indoor air quality by filtering out chemicals that evaporate and contaminate the air you breathe.
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Protected Home
Lessen sediment and scale-build up that can wreak havoc on your pipes and appliances.
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Eco-Friendly
Reduce your carbon footprint by minimizing your reliance on single-use plastic water bottles.
Enjoy Healthier, Better-Tasting Water with Aquasana Reverse Osmosis Water Filters
Aquasana reverse osmosis systems deliver advanced under sink water filtration for cleaner, healthier, better-tasting water straight from your tap. Powered by Claryum® + RO technology, our RO filters reduce significantly more contaminants than standard pitcher filters, including PFAS*, fluoride, lead, chlorine, and microplastics. Our RO systems are tested and certified to NSF/ANSI Standards 42, 53, 58, 372, and 401.
Compared to bottled water and pitcher filters, Aquasana RO systems provide long-lasting performance while helping reduce single-use plastic waste and freeing up valuable fridge and counter space. Each of our RO systems replaces the equivalent of thousands of plastic water bottles every year, helping reduce waste while providing clean, great-tasting water at a fraction of the cost.
Why Choose a Reverse Osmosis Water Filter?
Reverse osmosis water filters provide one of the most advanced forms of home water filtration available. They work by forcing water through an ultra-fine membrane that blocks hard-to-tackle contaminants that even carbon filters can't reliably catch.
Aquasana reverse osmosis systems combine powerful RO membrane technology with Claryum® filtration to reduce up to 99.99% of 90 contaminants, including PFAS* Forever Chemicals, fluoride, lead, chlorine, arsenic, pesticides, microplastics, and more.
Unlike pitcher filters, our reverse osmosis systems connect directly to your water line to deliver continuous flow of filtered water — no waiting or refilling required. Cleaner water on demand for drinking, cooking, coffee, and more.
The Power of Claryum® + Reverse Osmosis
Standard RO systems are effective, but they have trade-offs. They can be slow and waste significant water during the filtration process.
Aquasana addresses these limitations by combining advanced reverse osmosis filtration with our Claryum® technology. Our RO systems are designed to deliver faster flow rates, improved water efficiency, and exceptional contaminant reduction compared to traditional reverse osmosis systems.
The result is cleaner, great-tasting water you can trust for drinking, cooking, and everyday hydration.
Choose the Best Reverse Osmosis System for Your Home
Each Aquasana reverse osmosis filter is tailored to meet specific needs. Here's a quick comparison of our RO systems:
- SmartFlow® Reverse Osmosis: Removes up to 99.99% of 90 contaminants. Combines three stages of filtration including Claryum®, reverse osmosis, and SmartFlow® technology for maximum performance and efficiency.
- HealthShield™ Reverse Osmosis: Removes up to 99.9% of 85 contaminants. Combines two stages of filtration including Claryum® and reverse osmosis, while featuring a tankless design to maximize valuable under sink space.
Straightforward Installation and Easy Maintenance
Each reverse osmosis system includes step-by-step installation guides and video tutorials. Filter replacements are quick and easy. Replacements will vary in frequency depending on the use and the system purchased. If you have any additional questions about our reverse osmosis systems, installation, replacement, or our products in general, please contact us for customer support.
*PFOA, PFOS, PFNA, PFHxS, and PFHpA to below 4 parts per trillion.