Water You Love

Fresh, filtered and ever-flowing.

Culligan reverse osmosis (RO) systems filter out the bad so you can enjoy better water in every glass.

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Ditch the pitcher and fridge filter.

Culligan reverse osmosis (RO) systems target common contaminants and provide an endless supply of worry-free drinking water.* These industry-leading systems are completely customizable, and feature smart technology, warranty-backed equipment and professional installation from your local Culligan expert.

Target 90+ contaminants

Including arsenic, nitrates, radon, chlorine, lead, PFAS and other dangerous contaminants.**

Customizable filtration

Choose from up to seven stages of filtration and 12 interchangeable filters.

Third-party certified

Tested and certified by industry-leading third-party organizations.

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*Contaminants may not be present in your water.

**Aquasential RO and Smart RO when configured with post-filter and Total Defense cartridges.