Aquasana SmartFlow® Reverse Osmosis Under Sink Water Filter

Introducing the SmartFlow® Reverse Osmosis, Aquasana's brand-new, high-efficiency reverse osmosis system that provides you with optimum health and hydration. This RO system combines Aquasana's Claryum® filtration technology with reverse osmosis technology to remove up to 99.99% of 90 contaminants, including fluoride, arsenic, lead, chlorine, microplastics, PFOA/PFOS, and more. The SmartFlow® Reverse Osmosis boasts one of the highest certified contaminant removal rates of all reverse osmosis systems on the market. In fact, it’s certified to reduce 89 more contaminants than Amazon’s top-selling RO system is certified to reduce.*


Featuring our patented SmartFlow® technology, this system provides you with more pure water, less water waste, and longer filter life than the average RO filter. The SmartFlow® Reverse Osmosis water filter boasts a 57% greater efficiency percentage and a 93% higher daily production rate than our previous reverse osmosis system.

The SmartFlow® Reverse Osmosis is tested and certified by WQA to NSF/ANSI Standards 42, 53 (includes P473), 58, 401, and CSA B483.1 to effectively reduce 90 contaminants, including 90% of fluoride. It’s also certified to reduce 99.99% of cysts, 99.9% of asbestos, 99% of lead, VOCs, and microplastics, and 96% of chlorine, chloramines, arsenic, pesticides, and herbicides — all while restoring healthy minerals that other reverse osmosis systems remove, providing you with optimum health and hydration.

The SmartFlow® Reverse Osmosis features a multi-stage filtration process to ensure maximum contaminant removal.

Stage 1: Carbon Block: Reduces chlorine, taste, and odor prior to reverse osmosis filtration.

Stage 2: SmartFlow® Membrane: Ultra-efficient, patented SmartFlow® membrane technology reduces fluoride, nitrates, nitrites, arsenic, PFOA/PFOS, and more.

Stage 3: Advanced Carbon Block: Claryum® filter block ensures maximum contaminant removal. Activated and catalytic carbon filtration combines with Ion-exchange and sub-micron filtration to tackle lead, microplastics, VOCs, mercury, and more.

Stage 4: Remineralizer: Remineralizes water to add back healthy, beneficial amounts of minerals that are lost in the reverse osmosis process. Improves pH balance and water alkalinity.

With the combined power of reverse osmosis, Claryum® filtration, and remineralization you have immediate access to clean, healthy water for drinking, cooking, washing your vegetables, and more.

The SmartFlow® has been designed to provide ultra-powerful filtration in a more compact design. A smaller tank size and smartly-designed chassis means this system takes up less under sink space than the leading reverse osmosis unit.

Our genuine and certified reverse osmosis filter replacements are engineered for the easiest replacement. No need to disconnect hoses or water lines — simply twist out and replace. The SmartFlow® Reverse Osmosis Carbon and Claryum® Filter Replacements will last for 365 gallons or up to 6 months. The Remineralizer Replacement will last for 6 months, as well. Our SmartFlow® Reverse Osmosis Membrane Replacement will last for 12 months.

The available all-metal dedicated faucet comes in four finishes — Brushed Nickel, Chrome, Matte Black, and Oil Rubbed Bronze — so you can match your kitchen décor. We also offer a “No Faucet” option so you can use your own air gap faucet.

Aquasana’s SmartFlow® Reverse Osmosis features a reliable 0.8 gallons per minute (gpm) flow rate to deliver clean, healthy water.

*As of 7/7/2023.

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