10 Best Countertop Water Filters 2025 in the United States

The Bluevua RO100ROPOT-UV Reverse Osmosis System is an impressive countertop water filter designed for those seeking clean and safe drinking water. Its standout feature is the advanced 6-stage filtration system, which includes a UV light and a remineralization filter. This means it not only reduces harmful contaminants like lead and chlorine but also adds essential minerals back into the water, enhancing both taste and health benefits. The filter is certified for lead-free performance.

A major strength of this filter is its ease of use. There’s no need for complicated plumbing; just plug it in, and it’s ready to go. The glass carafe is a nice touch as it reduces the risk of plastic pollution, making it a more sustainable choice. Additionally, its power-saving features and impressive water-saving ratio of 2:1 help conserve both energy and water, which is appealing for environmentally-conscious users.

However, it does have some drawbacks. The maximum flow rate of 0.26 liters per minute may be slower than some users expect, especially if you need to fill large containers quickly. This could be a consideration for families or those who entertain frequently. Also, while the filter life of 1-2 years is advantageous, users must remember to monitor the filter status as forgetting to replace it can affect water quality.

Despite its weight of 23.15 pounds, which may make it less portable for some, the system’s design is attractive and functional for countertop use. The Bluevua RO100ROPOT-UV is a solid choice for individuals or families looking for effective, portable water filtration without the hassle of complex installation.

The Big Berkey Gravity-Fed Stainless Steel Countertop Water Filter System with a 2.25-gallon capacity and two Black Berkey Elements is a robust option for those seeking high-quality water filtration at home or in the office. One of its major strengths is its advanced filtration technology, capable of removing or significantly reducing over 250 contaminants, including chlorine, without the need for electricity or plumbing. This makes it an excellent choice for those who want clean, great-tasting water without the hassle of complex installations.

The filter lifespan is another highlight, with each pair of Black Berkey Elements lasting up to 6,000 gallons, making it a cost-effective solution in the long run. The system is designed to be economical, providing filtered water for just pennies per gallon. Additionally, its stainless steel construction is both durable and aesthetically pleasing, fitting well in various kitchen decors.

On the downside, the flow rate is relatively slow at 0.03 gallons per minute, which might be a drawback for users needing quick access to large volumes of water. Also, the system cannot be shipped to California or Iowa, limiting its availability. Despite these minor inconveniences, the Big Berkey Water Filter proves to be a reliable and efficient choice for anyone looking to enhance their tap water quality.

The Brita UltraMax Elite Water Filter Dispenser offers several advantages, making it a great choice for those looking to improve their tap water quality. It uses an Elite filter that is capable of removing 99% of lead and reducing 30 other contaminants, including cadmium, mercury, asbestos, and benzene. This ensures safer and better-tasting water by also eliminating the taste and odor of chlorine. The filter lifespan is impressive, with one Elite filter lasting for up to 120 gallons or about six months, which can be more economical and convenient compared to other filters that require more frequent replacements.

For those looking for versatility, the dispenser is also compatible with standard Brita filters, which need changing every 40 gallons or two months. The dispenser's large 27-cup capacity is suitable for families or individuals who consume a lot of water daily, and its compact, fridge-friendly design makes it easy to store without taking up much space. The easy-locking lid and precision-pour spigot add to its user-friendly design, and the electronic filter indicator is a helpful feature to remind users when it's time to replace the filter.

One potential drawback is the flow rate, which might be slower compared to other water filtration systems, though this is often a trade-off for higher filtration efficacy. Additionally, while the installation is straightforward as a freestanding unit, the size may still be a bit cumbersome for users with very limited counter or fridge space. At 3 pounds, it is relatively lightweight, making it easy to handle. In summary, the Brita UltraMax Elite Water Filter Dispenser stands out for its high contaminant removal efficiency, long-lasting filters, and convenient design, although it might not be the best fit for those with minimal space or who prefer faster water flow.