Get safer drinking water with a reverse osmosis countertop system. (iStock)
Concerned about what's in your tap water? A reverse osmosis (RO) countertop system can help protect your household and ensure that your water is safer for drinking. These systems remove contaminants like lead, arsenic, nitrates and fluoride — and can even improve taste, according to Danny Pen, president of New Era Plumbing and HVAC.
While they cost a bit more upfront, experts say they're worth the investment since they clean water more thoroughly and don't require frequent filter replacements like traditional pitcher systems. Brands like Philips, Boroux and Waterdrop have some of the most widely purchased systems on the market.
How to choose your RO system
"When shopping for an RO system, look for certifications from trusted third parties," Culligan Head of Science Eric Roy said. These certifications show that a system meets standards to filter out specific contaminants.
AquaTru Classic: $400 (16% off)
Original price: $475
The AquaTru Classic is fully certified to NSF standards by a third party. (AquaTru)
The AquaTru Classic is a reverse osmosis system with a four-stage filtration process that removes up to 99% of contaminants, including lead, fluoride and PFAS. NSF International has independently tested the system to verify its performance. It also features a ‘plug-and-play’ design, long-lasting filters and a smart display.
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Waterdrop C1S countertop core system: $199 (20% off)
Original price: $249
The unit adds beneficial minerals like calcium and potassium. (Waterdrop)
The Waterdrop C1S Countertop Core system is a no-installation RO filter. It uses a five-stage process to reduce a wide range of contaminants, including heavy metals, fluoride and PFAS. It features a smart touchscreen that alerts you when filters need replacement.
Boroux Legacy compact water filter system: $320 (10% off)
Original price: $359
This compact, gravity-fed filtration system is ideal for apartments or smaller kitchens. (Boroux)
This stainless steel, gravity-fed filtration system has a 1.8-gallon capacity and is a compact fit for apartments or smaller kitchen spaces. It reduces chlorine and other common contaminants, while the sleek design adds a refined look to your countertop.
Use the promo code BETTER20 to get 20% off your next order through April 30.
Philips reverse osmosis water filter: $344.85
This system stands out with its unique, NASA-backed Aquaporin Inside membrane for highly effective purification. (Amazon)
The Philips Reverse Osmosis water filter uses a unique, NASA-backed Aquaporin Inside membrane to purify water down to 0.0001 microns. It’s praised for its easy, no-installation setup and is efficient. The all-in-one composite filter is designed to last a full year or up to 528 gallons.
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Waterdrop K19-SFK: $259 (19% off)
Original price: $319
It blends strong filtration with an easy-to-use design. (Waterdrop)
The Waterdrop K19-SFK is an excellent choice for its unique ability to provide alkaline water with added minerals. It uses a powerful five-stage reverse osmosis process to purify water, then adds back beneficial minerals like calcium and potassium. The system is also a convenient plug-and-play countertop unit with a smart touchscreen, making it easy to use and maintain.
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Bluevua countertop system: $319
Significantly reduce lead, PFAS and other contaminants with this filter. (Amazon)
The Bluevua countertop RO water filter system is an effective, user-friendly unit that provides powerful filtration without any installation. The system reduces a wide range of contaminants, including chlorine, lead, iron, PFAS and other heavy metals. It also has a unique glass carafe for filtered water. An automatic self-cleaning function saves time, and tool-free filters last 12 to 24 months.
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