Clean design, high filtration power, and simplicity in setup make the DREO RO Countertop Water Filter a strong pick for households that want better-than-fridge water.
buy from amazonFor many years, we’ve struggled with getting clean drinking water from our tap. We’ve filtered our water through our refrigerator and tried basic water filter pitchers (like Brita), but no matter what we’ve tried, bottled water just tastes better and less dirty. When the opportunity to try Dreo’s Countertop Water Filter came up, I jumped at it because of the recent increase in grocery prices and the results of an environmental study done on our local drinking water.
About RO Countertop Water Filter WF511
The DREO RO Countertop Water Filter WF511 is a compact and efficient solution for purifying tap water. Its 7-layer filtration system removes up to 99.9999% of over 1,000 contaminants, including fluoride, rust, and PFAS, ensuring clean and safe drinking water. 
Designed for convenience, the filter requires no installation—just plug it in, flush twice, and it’s ready to use. Its 170 oz tank and dual removable 50 oz pitchers provide ample capacity for daily use. The smart display offers real-time TDS readings and filter life indicators, while features like auto flushing and a child lock enhance safety and ease of maintenance.   
With a 3:1 pure-to-drain ratio, the WF511 is both eco-friendly and cost-effective, capable of purifying up to 1,050 gallons of water—equivalent to replacing approximately 8,000 plastic bottles.
Main Features
7-Stage Filtration System: Removes up to 99.9999% of over 1,000 contaminants, including fluoride, lead, chlorine, PFAS, and rust, ensuring clean and safe drinking water. No Installation Required: Simply plug in, flush twice, and the system is ready to use, making it suitable for various settings like kitchens, offices, or RVs. Dual 50 oz Removable Pitchers: Allows for easy storage and portability, enabling you to have purified water on the go while the other pitcher refills automatically. Smart LED Display: Provides real-time Total Dissolved Solids (TDS) readings and filter life indicators, helping you monitor water quality and know when to replace filters. Eco-Friendly Design: Features a 3:1 pure-to-drain ratio, reducing water waste compared to traditional reverse osmosis systems. Large Capacity: Equipped with a 170 oz tank, it can purify up to 1,050 gallons of water, equivalent to replacing approximately 8,000 plastic bottles. Enhanced Safety Features: Includes auto flushing and a child lock to ensure safe and hygienic operation. Improved Water Taste: An activated carbon filter removes odors while retaining essential minerals, delivering naturally sweet and pure water.Pricing & Availability
The DREO RO Countertop Water Filter has a list price of $299.99 USD from dreo.com. It’s also available on Amazon and is currently (at the time of publishing) being offered for $218.99.
User Experience
Getting the water filter set up was super simple. The main unit was all one piece, and all I had to add was the non-slip coaster for drinking glasses and the pitcher. Aside from that, I just had to remove the packaging tape from the filter unit and plug it in. Even though an app would be nice to monitor stats from the filter, I have to admit that it was nice to set up a device that didn’t require any extra bells and whistles.
Once you have filled the tank with tap water, the filter does the rest of the work. It automatically fills the pitcher, and you can fill your cup by using the water dispenser. So, how is this different from a filter that might be on your refrigerator? A standard refrigerator usually uses an activated carbon filter, which helps to remove chlorine, some heavy metals, and it can trap sediments and particulates. It’s better than no filter, especially when you have water like we do.
Because I wanted to make sure that our drinking water was as healthy as it could be, I looked up the quality of our local tap water on ewg.org. I found out that six different contaminants exceed EWG’s health guidelines.
Chromium (hexavalent) Haloacetic acids (HAA5) Haloacetic acids (HAA9) Nitrate Nitrate and nitrite Total trihalomethanes (TTHMs)Upon learning this, I was even more appreciative of the Dreo filter. According to EWG, each of these contaminants can be filtered from the water using reverse osmosis. An activated carbon filter will remove 60% percent of those contaminants, reverse osmosis will remove 100% of them. The Dreo filter system utilizes reverse osmosis to remove those types of chemicals from tap water and that method of filtration covers all the contaminants listed above — and then some.
When the water finished its first two filling cycles, I dumped them both out as the instructions direct you to flush the system twice before using the water. I then filled a 16-oz Tervis tumbler using the dispenser. I selected 16oz as the size and then tapped the dispenser button. Water started filling the cup, and when it got close to the top, I noticed that it wasn’t slowing down. Unfortunately, the cup ended up overflowing and made a watery mess on the counter. I discovered that it was operator error and not the fault of the filter. After cleaning it up, I tried again, and this time I selected 12-oz. It filled the cup comfortably, and there was still some space left for ice.
I was shocked at how good the water tasted when I tried it for the first time. It reminds me a lot of what we get from most bottled water. It tastes fresh and clean, not heavy like the unfiltered tap water tastes. The only complaint I have is that the water is room temperature. I can add ice, but it’s only filtered through the refrigerator’s filter. I’m still trying to figure out the best option for ice. I did however, start using the Dreo water for my morning coffee, and it’s SO much better. I didn’t even notice how much better my coffee could taste with filtered water until I added the Dreo filtered water.
Conclusion
The DREO RO Countertop Water Filter WF511 offers a significant upgrade from traditional carbon filters used in refrigerators and water pitchers. It’s a solid choice for anyone serious about removing harmful contaminants and improving the taste of their tap water. With an easy setup, sleek design, and noticeable performance benefits, it provides a long-term solution that feels practical and worthwhile. While it’s not perfect, like the room-temperature water and the occasional overflow issue, the Dreo filter succeeds where most filters fall short. It delivers peace of mind and water you’ll actually want to drink.
For more information, visit dreo.com
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