person collecting water into a glass kettle

Culligan employee installing filtration system

Aquasential® Smart Reverse Osmosis Drinking Water Filtration System

Meet the world’s most efficient reverse osmosis (RO) water system¹ — certified to reduce 12 times more contaminants than the leading standard pitcher filter.² With features like filter change alerts, water quality tracking and RO water with the touch of a button, enjoy peace of mind about your water quality.

Ready for a drinking water upgrade? Your local Culligan^® water experts can help determine the right solution for your municipal or well water. Schedule your free, in-home water test or phone consultation to get started.

Schedule a free consultation

Peace-of-Mind Monitoring

It’s easy to stay on top of filter changes and service needs with notifications from your phone. Plus, worry less knowing your local Culligan team can monitor your system's performance remotely.

Wellness-Focused Features

Set water consumption goals and record your progress, with notifications to help you make sure you’re getting the hydration you need.

Worry-Free Water Quality

Our smart water filter tracks the contaminants reduced in your water, so you can feel confident you’re getting water you can trust.³

Save Money (and the Planet)

See money and plastic-waste savings from eliminating single-use bottles by using a water filter for your sink instead.

Product Details
Benefits
Specifications
Installation & Maintenance
Questions & Answers
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Explore These First-Rate Features

Certified for Safety

Rely on filtered drinking water from a system certified to reduce over 70 contaminants.

Instant Water Quality Data

Check your water quality from the Culligan Connect app, your smart faucet display, or your ClearLink PRO™.

Best-in-Class Efficiency

Reduce water usage and water bills with a system that is three to five times more efficient than other leading RO systems.

Fits Your Home

Culligan RO systems can go under your sink, in your basement, garage, crawlspace, or other areas.

Comprehensive Contaminant Reduction

Customize your Culligan water filter for your sink to your needs with up to seven stages of filtration and 14 filter options. Our smart RO system is certified to reduce over 70 contaminants, including viruses, bacteria, mercury, arsenic, PFOA/PFOS, and lead, as well as 15 emerging contaminants.

Arsenic
Viruses
Lead
Fluoride
Chlorine
Bacteria
Pesticides
PFOA/PFOS
Calcium
Radium

Customized Filtration to Fit Your Needs

All Culligan RO systems include a sediment/carbon pre-filter, RO membrane, and a post-filter, providing comprehensive protection against a broad array of issues, with a choice of one- or two-year filters. You can also enhance your system with these options:

Total Defense Cartridge

Adds filtration for pharmaceuticals, mercury, VOCs (volatile organic compounds, pesticides, and more; can also pair with the Mineral Boost Cartridge.

Advanced Post-Filter

Expands protection to address bacteria and viruses; ideal for well water.

Arsenic Filter

Reduces arsenic in your water where this issue is significant.

Mineral Boost Cartridge

Adds natural calcium minerals back into the water for great-tasting, optimally alkaline, pH-balanced water.

Premium Faucet

Choose from four modern faucet designs in brushed nickel, chrome, matte black, and bronze, and check real-time insights into water quality and filter life on the electronic display.

ClearLink PRO™

Use your existing faucet to switch between RO and tap water at the touch of a button. The display also shares information on filter life and water quality.

Culligan Connect App

Download the Culligan Connect App to get the most out of your system with alerts and in-depth information on water consumption, contaminants reduced, savings, and more.

External Leak Sensor

All our smart ROs have auto-shut off if a leak is detected. Add the external leak sensor for more protection against leaks in nearby pipes or water-using appliances.

100% Satisfaction Guarantee

If you are dissatisfied with your Culligan product for any reason within 30 days of your purchase, Culligan will remove the product and refund the purchase price.*

Third-Party Certified

The Culligan Aquasential Smart Reverse Osmosis System is tested and certified by WQA to NSF/ANSI 58, NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401, NSF/ANSI 372, CSA B483.1 and NSF Protocol P231 and conforms to these standards for specific performance claims as verified and substantiated by test data.

Learn more about product certifications here

Award-Winning Product

In 2022, our smart reverse osmosis water system was highly rated by experts at House Beautiful, winning a Live Better Award recognizing “innovative homewares that make life a breeze.”

Ready to Take the Next Step?

Schedule a free, in-home consultation and water test to get one step closer to the enhanced hydration your family deserves. With options to buy, finance, or rent, your local Culligan water experts will make recommendations based on your home, water usage, test results, and any other concerns.

Schedule Free Water Consultation

More Reasons to Choose a Culligan Under-Sink Water Filter

Dependable, Long-Lasting Products

Experience the benefits of having a water filter for your sink that’s tested against rigorous standards and built for longevity, with long-lasting warranties.

Adaptive Compact Structure

Enjoy a sleek, modern look and space-saving design that has flexibility to fit in multiple different spaces in your home.

Significant Waste Savings

Avoid the hassle of single-use plastic bottles while also helping the environment by minimizing waste.

Long-Lasting Filters

Innovative design enables extra-long filter life up to two years, for a nearly unlimited supply of worry-free drinking water with little maintenance required.

Why Choose a Culligan Smart RO?

Our Environmental Impact

40 Billion+ Bottles Saved

Culligan water filtration solutions benefit the environment by reducing single-use plastic bottle waste and saving billions of bottles each year.

Earth-Conscious Innovation

We prioritize sustainability in designing and developing new products.

Global Water Leadership

Culligan has joined the CEO Water Mandate and the Water Resilience Coalition to lead the way in positive, global water stewardship.

Specifications

Warranty

Culligan products are reliable and long-lasting, with industry-leading warranties.

Molded system manifold: Lifetime warranty
RO tank and all other parts of the RO system: 10-year warranty
Faucet with display, rechargeable battery pack, PCBs and associated LEDs and displays: Five-year warranty
Filters and membranes: One-year warranty

To access customer support, call your local Culligan water expert or fill out this Maintenance & Support form.

Download Owner's Guide

Aquasential® Smart Water Filter

	Aquasential® Smart Water Filter
Product Specifications Filter Performance
Length x Width x Height	19.0 in x 5.7 in x 17.8 in
Power Specifications	12 VDC, 20W
Rated System Operating Pressure	40 - 120 psi (276-827 kPa)
Inlet Water Temperature	33° - 100° F
Daily Production Rate4	75 gpd4
Recovery Rate	52.8%
Storage Tank Capacity	3 Gallons

Installation & Maintenance

Our unmatched, white-glove service doesn’t stop at your free water test and consultation. Your local Culligan water experts will be there to help for the entire life of your system from installation to ongoing maintenance, assisting with needs such as filter changes, system sanitation and more. They can even monitor your smart system proactively for any issues, offering you further peace of mind.

Convenient Service Plans

Your local Culligan water team can make maintenance hassle-free with optional service packages that help ensure your smart RO is always operating at peak performance.

85+ Years of Experience

With over 85 years of water treatment experience, you can count on us to provide the solutions and service you need anytime.

Unwavering Local Support

Our team of experts is part of your local community and is there to offer support and services right in your neighborhood.

Flexible Installation Areas

Your system can be installed anywhere you have access to a cold water line and drain — under the sink, in your basement, garage, crawlspace and more.

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Questions & Answers

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Asked by HomeOwner123 24 months ago

Does this water softener work with well water or just city water?