Filtration

Water Filtration Systems

Make the most of your resources by reducing contaminants with cutting-edge technology.

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Food Service & Beverage Filters

Get cleaner, crisper water for food and beverages to elevate customer experiences.

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Accessories

Bring your filtration to the next level with accessories that take your business further.

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Softening

Water Softener Systems

Reduce hardness and improve efficiencies with state-of-the-art water softeners.

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Water Dealkalizers

Cut costs and prolong the lifespan of your equipment with a variety of applications.

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Portable Exchange

Get higher-quality soft water anywhere, including brine-restricted areas.

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Deionization Solutions

Optimize processes and reduce scaling in boilers with innovative water deionizers.

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Accessories

Complement your water softening system with accessories that create superior results.

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Membrane Solutions

Membrane Solutions

Increase equipment efficiency by reducing scale buildup so your business can save money.

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Reverse Osmosis Water Treatment

Provide reverse osmosis water with unbeatable flow rates that keep up with business demands.

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High Purity Solutions

Enjoy a continuous stream of cleaner water for almost any business need.

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Water Storage Solutions

Reduce capital costs with tanks that hold water for peak demand.

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Distribution Solutions

Customize your water treatment process with options for distribution, disinfection and more.

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Accessories

Make the most of your water treatment system to elevate your business operations even more.

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Industries

Hospitality

Elevate guest experiences, like bedding and beverages, all while reducing costs.

Food Services

Enhance dining experiences to influence repeat business with upgraded water in your kitchen.

Manufacturing

Reduce maintenance spend on parts and equipment all while conserving more water.

Healthcare

Improve equipment efficiency and reduce labor, laundry and maintenance costs in any facility.

Education

Provide students and staff with high-quality water and do your part in reducing water waste.

Consumer Applications

Improve the quality and consistency of your offering for first-class customer experiences.

Industrial

Increase profitability and energy efficiency to keep operations running smoothly.

Resources

Product Specifications

Access product resources and vital stats regarding flow rates, specifications and more.

Industrial Case Studies

Learn how Culligan water solutions have helped customers address unique business needs.

Water Testing

Take the first step to provide your business with a game-changing water solution.

Culligan Reviews

Hear from customers about the impact Culligan water treatment systems has on businesses.

Common Questions

Provide students and staff with high-quality water and do your part in reducing water waste.

Culligan Lab

Feel confident about your comprehensive water analysis at our state-of-the-art testing facility.

Support

National Accounts

Discover the many benefits of becoming a Culligan National Account.

Custom Solutions

See how our team of engineers build custom-engineered water systems to meet your needs.

Contact Us

Connect with your a Culligan commercial and industrial expert to get started today.

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Reverse Osmosis
Water Treatment

The Culligan series of reverse osmosis (RO) systems was designed to meet the needs of customers who rely on high-efficiency and high-purity water for a variety of commercial processes.

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The Culligan series of reverse osmosis (RO) systems was designed to meet the needs of customers who rely on high-efficiency and high-purity water for a variety of commercial processes.

Contact Us Today
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The IW Reverse Osmosis System

The IW is available in a variety of modular configurations to cover flow requirements from 22 to 200 GPM.

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G1 Reverse Osmosis System

The G1 RO system, with premium features, is designed for commercial applications requiring flow rates up to 3* gallons per minute. The G1 RO is more than a sound business decision — it can improve the quality of life for your building.

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M1 Reverse Osmosis System

The M1 RO system, with enhanced features, is designed for commercial applications requiring flow rates up to 3* gallons per minute.

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E1 Reverse Osmosis System

The E1 RO system is an economical solution, designed for commercial applications requiring flow rates up to 3* gallons per minute.

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G2 Reverse Osmosis System

The vertical or horizontal steel, skid-mounted system can provide high-quality reverse osmosis water for those businesses requiring flow rates of 3 to 18* gallons per minute.

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M2 Reverse Osmosis System

The M2 RO system, with enhanced features, is designed for commercial applications requiring flow rates from 3 to 7* gallons per minute.

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E2 Reverse Osmosis System

The E2 RO system is an economical solution, designed for commercial applications requiring flow rates from 3 to 7* gallons per minute.

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LC Series Reverse Osmosis System with Aqua-Cleer® Water Filtration

The LC Series offers compact, cost-effective systems for light commercial water treatment, with easily installed, quick-connect cartridges. The systems are for applications requiring usage up to 150** gallons per day.

*Nominal capacity based on new RO membranes operating on a properly pre-treated feed water of 500 ppm TDS as NaCl, 77 °F (25 °C), Silt Density Index (SDI) below 3, and supplying water to atmosphere. Productivity will vary depending on the feed water conditions.

**Nominal capacity based on properly pre-treated feed water of 600 ppm TDS as NaCl, 77º F, Silt Density Index below 3.0, and 60 psi applied pressure supplying water to atmosphere. Productivity will vary depending on the feed water conditions.

What People Are Saying
About Culligan Water

 Wave

Great service and price very reasonable

Cleveland Spine and Injury, Bedford, OH

I love the personal service we receive from Culligan. It couldn't be better.

Sandusky District Library, Sandusky, MI

Staff is always very friendly professional!

Lake Country Physical Therapy, Sandpoint, ID

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