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A Culligan under-sink water filtration system, featuring a dark grey main unit, a grey pressure tank, a brushed metal faucet, a smartphone displaying the Culligan app, and a small round smart monitor, all on a black background.
A complete Culligan Aquasential Smart RO water filtration system, including a dark gray main unit, a gray pressure tank, a brushed metal faucet, a smart controller, and a smartphone displaying the Culligan app interface, all on a white background.
A person's hands fill a clear glass with water from a modern chrome Culligan faucet, which has a digital display showing a green and blue graphic. A swimming pool and greenery are visible through a window in the background.
A man installing a gray water filtration system under a kitchen sink, with a gray storage tank on the floor. Text lists 'Installation Areas' like 'Under the Sink' and 'Basement'.
A dark gray Culligan water filter cartridge with a blue top, featuring the Culligan logo, against a white background.
A dark gray Culligan water filtration system with four visible filter cartridges labeled 'Pre', 'RO', 'TD', and 'Post'. The system has a modern design with a blue accent on top and a control panel on the side.
A dark gray Culligan water filtration system with a blue top, showing four labeled filter compartments and a control panel on a white background.
A dark gray MyPurmist steam inhaler with a translucent blue top, shown at a slight angle on a white background. It has rounded vertical edges and two ports at the bottom.
A gray cylindrical pressure tank with a white quick-connect fitting and gray lever on top, against a white background.
Four Culligan water filtration faucets in black, brushed nickel, and chrome finishes, displayed with a round filter status indicator with blue lights, all on a white background.
A Culligan under-sink water filtration system, featuring a dark grey main unit, a grey pressure tank, a brushed metal faucet, a smartphone displaying the Culligan app, and a small round smart monitor, all on a black background.A complete Culligan Aquasential Smart RO water filtration system, including a dark gray main unit, a gray pressure tank, a brushed metal faucet, a smart controller, and a smartphone displaying the Culligan app interface, all on a white background.A personA man installing a gray water filtration system under a kitchen sink, with a gray storage tank on the floor. Text lists A dark gray Culligan water filter cartridge with a blue top, featuring the Culligan logo, against a white background.A dark gray Culligan water filtration system with four visible filter cartridges labeled A dark gray Culligan water filtration system with a blue top, showing four labeled filter compartments and a control panel on a white background.A dark gray MyPurmist steam inhaler with a translucent blue top, shown at a slight angle on a white background. It has rounded vertical edges and two ports at the bottom.A gray cylindrical pressure tank with a white quick-connect fitting and gray lever on top, against a white background.Four Culligan water filtration faucets in black, brushed nickel, and chrome finishes, displayed with a round filter status indicator with blue lights, all on a white background.

Aquasential Smart Reverse Osmosis Drinking Water Filtration System

$50.00

Meet the world’s most efficient reverse osmosis (RO) water system — certified to reduce 18 times more contaminants than the leading standard pitcher filter. 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.

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Product Details

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.

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.

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Let’s Get Started

Start enjoying the benefits of cleaner water in your home with help from your local Culligan Water expert.

Schedule a Free Water Consultation