All of Aquasana's products use best-in-class filtering technology to provide maximum contaminant reduction while leaving beneficial minerals such as calcium, magnesium, and potassium in the water. The result is healthy, great-tasting water that provides optimum hydration for the human body.

Reverse osmosis systems remove contaminants by forcing unfiltered water through a semi-permeable membrane at a high pressure, which leaves contaminants behind. RO systems often have multiple stages of filtration to remove additional contaminants throughout the process.

the USA Aquasana is based in Austin, Texas, and its filtration systems are proudly engineered and assembled in the USA.

Aquasana China provides the Chinese market with the high-quality 100% imported U.S.-made home water filtration systems.

We recommend the Aquasana AQ-5200 because its certifications are among the best of any system we've found; they include (like the rest of our picks here) chlorine, lead, mercury, PFAS, multiple pesticides, and microplastics.

The Clean Water Machine features tested and certified Claryum® filtration technology proven to remove up to 97% of chlorine and chloramines, 99% of lead, asbestos and microplastics, 99.99% of cysts, and 95% of PFOA/PFOS.

They all feature Claryum® selective filtration, which effectively reduces toxins such as microplastic, herbicides, pesticides, cysts, asbestos, volatile organic chemicals (VOCs), pharmaceuticals, chlorine-resistant cysts like giardia and cryptosporidium, all while retaining beneficial minerals, including calcium, ...

An American water experts brand under Sun Water Inc., Aquasana was founded in 1997, holds 26 patents worldwide and its products are certified by NSF.

An American water experts brand under Sun Water Inc., Aquasana was founded in 1997, holds 26 patents worldwide and its products are certified by NSF.

On August 8, 2016, A. O. Smith, acquired Austin-based water filtration company Aquasana (previously known as Sun Water Systems) from L' Catterton for $87 Million.

The Best Aquasana Water Filters

1. Aquasana Whole House Water Filter System w/ Salt-Free Conditioner.
2. Aquasana AQ-5300+.
3. Aquasana OptimH2O Reverse Osmosis Under Sink Water Filter System.
4. Aquasana AQ-4100 Deluxe Shower Water Filter System with Adjustable Showerhead.