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 Brita Hub Instant Powerful Countertop Water Filter is designed to offer strong filtration by reducing over 70 contaminants, including lead, chlorine, and microplastics, which is excellent for improving water taste and safety. It uses a carbon block filter that lasts about 6 months or filters 120 gallons before needing replacement. The flow rate is moderate at 0.5 gallons per minute, which means you won’t get instant water but it’s reasonable for home use without long waits.

The unit is easy to set up—no tools or plumbing needed—just place it on your countertop, insert the filter, plug it in, and flush it twice. Its 12-cup removable water reservoir is convenient for filling glasses or bottles, with push-button dispensing allowing you to choose preset amounts or manual fill, and it fits containers up to 12 inches tall. The size is fairly compact for a filter system but weighs over 8 pounds, so it’s stable but not something you’d want to move around frequently. It also has a filter change indicator, helping you keep track of maintenance.

One downside is that it requires electricity to operate, which adds a small ongoing energy use and limits placement near an outlet. Additionally, the flow rate might feel slow compared to simple gravity filters. This Brita Hub is well suited for families or individuals wanting effective filtration with convenient dispensing and easy installation, especially if you prefer a powered filter system on your countertop that improves taste while reducing plastic bottle waste.

The Big Berkey Gravity-Fed Water Filter System is a solid choice for those looking to improve tap water quality without complicated installation. Its standout feature is the Black Berkey Elements, which use a special blend of filtering media capable of removing over 250 contaminants, including common chemicals and pathogens. This means the water you drink is not only clearer but safer. The system doesn’t require electricity or plumbing, making it easy to set up on any countertop. With a 2.25-gallon capacity, it’s well-suited for daily household use or small offices. The deluxe 7" stainless steel spigot with a water level indicator adds convenience, so you can see when it’s time to refill without lifting the top chamber.

Each filter element can last up to 6,000 gallons, which is economical and reduces frequent replacements, but if your water source is heavily contaminated, you might need to replace filters sooner. The unit is compact and attractive enough to fit in most kitchens, though it weighs a bit over 8 pounds, so it’s not ultra-lightweight but still portable.

The Big Berkey offers reliable, high-quality filtration with an easy setup and long-lasting filters, ideal for individuals or families who want a straightforward countertop solution without plumbing hassles, though it might not be the fastest filter option available.