Savor an unlimited supply of filtered water with the Aquasential® Tankless Reverse Osmosis (RO) Drinking Water Filtration System. This compact unit is equipped with innovative features that provide real-time water quality feedback and leak detection for even more peace of mind.
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.
Depend on a virtually endless supply of high-quality drinking water that costs just pennies a glass.
Help reduce oil, gasoline and waste from the production, transport and disposal of single-use plastic bottles.
Feel assured that your family is hydrating with safer water through a system that’s certified to reduce over 70 contaminants.
Get crisper, cleaning water for both cooking and drinking right from the tap.
Customize your Culligan reverse osmosis water filtration system to your needs with up to seven stages of filtration and 14 filter options. Our RO system is certified to reduce over 70 contaminants, including viruses, bacteria, mercury, arsenic, PFOA/PFOS and lead, as well as 15 emerging contaminants.
All Culligan RO systems include drinking water filters that provide multiple stages of filtration. The core levels of filtration are the sediment/carbon pre-filter, the RO membrane and a post-filter, which provides comprehensive protection against a broad array of issues including total dissolved solids (TDS), heavy metals, chlorine, lead and more. You also have a choice of one- or two-year filters. Additionally, you can enhance your system with these options:
Add an extra layer of filtration for pharmaceuticals, mercury, VOCs (volatile organic compounds), pesticides and more; you can also choose a Total Defense Cartridge with Mineral Boost.
Expand protection to address bacteria and viruses; this filter is a particularly good option for well water.
Focus on reducing arsenic in your water in areas where this issue is more significant.
Add natural calcium minerals back into your water for great-tasting, optimally alkaline, pH-balanced water.
Choose from four modern designs in brushed nickel, chrome, matte black and bronze, and feel confident with every sip with real-time insights into filter life right from the optional integrated monitor light.
Instead of adding a faucet, use your existing one and switch between RO and tap water at the touch of a button with our proprietary wireless technology.
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.
The Culligan Aquasential RO® 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
Culligan water filtration solutions benefit the environment by reducing single-use plastic bottle waste and saving billions of bottles each year.
We prioritize sustainability in designing and developing new products.
Culligan has joined the CEO Water Mandate and the Water Resilience Coalition to lead the way in positive, global water stewardship.
Warranty
Culligan products are reliable and long-lasting, with industry-leading warranties.
To access customer support, call your local Culligan water expert or fill out this Maintenance & Support form.
Product Specifications | Aquasential® RO Water System |
|---|---|
Length x Width x Height | 19.0 in x 5.7 in x 17.8 in |
Power Specifications | N/A |
Rated System Operating Pressure | 40 – 120 psi (276-827 kPa) |
Inlet Water Temperature | 33° – 100° F |
Daily Production³ | 50 gpd² |
Recovery Rate | 39.2% |
Storage Tank Capacity | 3 Gallons |
Filter Position | Filter Cartridge | Capacity |
|---|---|---|
1 | Sediment / Carbon Combination Pre-filter | 1 or 2 years |
2 | RO Membrane | 5 gpd³ |
3 | Specialty Total Defense⁴ | 1 year or 1,000 gallons / 2 years or 2,000 gallons |
4 | Post-filter, 1 year | 1 year or 1,000 gallon / 2 years or 2,000 gallons |
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 water softener with installation and maintenance, assisting with needs such as salt refills, system sanitation and more. They can even monitor your system proactively for issues, offering you further peace of mind.
Sign up for our regular salt delivery and maintenance plans so you never have to worry about your system’s performance.
With over 85 years of water treatment experience, you can count on us to provide the solutions and service you need anytime.
Our team of experts knows your local water and is there to offer support and services right in your neighborhood.
Your system can be installed anywhere you have access to main water piping, a drain and an electrical outlet — in the laundry room, basement, garage, or outside.
Yes, our reverse osmosis system is not only a highly comprehensive method for treating drinking water, capable of addressing a wide range of potential contaminants, but it also offers several distinct advantages for well water users. Particularly for well applications, where concerns about viruses and bacteria are more prevalent, the system’s P231 certification for reducing these issues provides reassurance
Yes – RO water systems aren’t just for homeowners. They can be purchased, rented or financed. For home or apartment renters, we recommend renting your system — just be sure to get your landlord’s approval first.
You can purchase replacement filters or parts through your local Culligan experts, who can also handle changing and maintaining them.
You can install your system anywhere you have access to a cold water line and drain, including in another kitchen cabinet, in a crawlspace or in your basement or garage.
Our reverse osmosis system is certified to reduce over 70 contaminants, including viruses, bacteria, mercury, arsenic and lead, as well as emerging contaminants.
Installation costs will depend on where the system is being installed and other factors. To get more details about costs, please contact your local Culligan water experts for more information.
Costs can vary depending on a variety of factors, including which filters and accessories you select. After your local Culligan water expert tests your water and you determine the best solution for your home, they will be able to give you an accurate quote for options to buy, rent or finance.
While lifespan can vary based on a variety of factors, Culligan’s RO water systems are durable, dependable and designed for longevity. They have been tested against rigorous standards and have long-lasting warranties.
Yes – the system can be installed in any size or type of home, apartment or condo. As long as there is access to a cold water line and drain, it can be installed anywhere from under the sink to basements or garages. If you are renting, it is advised to check with your landlord before installing any water treatment system.
Yes – the reverse osmosis system is certified to reduce many contaminants that cause foul tastes or smells in your water, such as chlorine and chloramines.5
The Aquasential RO System is certified to reduce lead in water. Note that not all different reverse osmosis systems can address this contaminant. We recommend you always check the certifications for any system you are considering purchasing.
Your local Culligan water experts are trained service and maintenance personnel who will install your system for you. The RO water system can be installed or mounted anywhere you have access to a cold water line and drain, which may include in a basement, crawl space, cabinet or beneath a sink. Whichever location you choose, your system should be easily accessible for regular filter replacement.
To keep your Aquasential RO water system operating properly, we recommend having it sanitized about once a year and getting your filters changed every one to two years, depending on your filters. The RO membrane should be replaced with a new one every three-five years. The Culligan water experts in your area can do all of this for you, and many offer service packages to make it even easier.
No – with the ClearLink PROTM wireless accessory, you can use your existing faucet and switch between RO and tap water with the touch of a button. Culligan RO water systems are the only drinking water filters that give you the option to use your existing tap. Best of all, with the ClearLink PRO, you don’t need to drill additional holes in your countertop.
When you purchase an RO water system from Culligan, you don’t just get top-quality drinking water — you also get expert installation and maintenance, industry-leading warranties, proven durability and a 30-day guarantee. With over 85 years of expertise and service, the team at Culligan water can confidently guide you toward the right systems for your home and will be there through the life of your product, giving you peace of mind.
RO systems filter contaminants from water by forcing them through a semipermeable membrane to separate contaminants as small as a single atom. Some of these contaminants addressed in this process include lead, mercury and chromium, among many others. Most RO systems also include additional stages of filtration including sediment filters, carbon filters and other advanced options for additional filtration capability.
The smart water filter is 19.0 inches in length x 5.7 inches in width x 17.8 inches in height.
Yes, you can download the owner’s guide here:
The system is designed to be placed or mounted anywhere you have access to a cold water supply and drain line, and with a design that makes it easy to replace filters regularly without needing to move the unit from its position.
Yes, the Aquasential Reverse Osmosis System is effective against these issues if the advanced post-filter is included. This extra layer of protection is a particularly good option for well water, where these issues may be a more common concern, but can be applied to municipal water as well, especially if a boil alert has been issued.
You have immediate access to fresh, filtered water from your Aquasential RO system, thanks to a high-capacity storage tank and an RO membrane capability of producing 50 gallons of cleaner, great-tasting water per day.
We have been using the Culligan RO system for over 25 years and just installed one in our 3rd home.
— David L, ON
Best tasting water, coffee, food prep … Won’t change back to faucet water ever.
— Tony B, FL
Never had issues with the RO unit.
— Benjavan U, RI
Start enjoying the benefits of soft water in your home with help from your local Culligan water experts.
