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 APEC Water Systems ROES-PH75 is designed for those who want clean and safe drinking water straight from their kitchen tap. This system features a 6-stage reverse osmosis filtration process that is highly effective, removing up to 99% of contaminants including chlorine, lead, and fluoride. One of its standout strengths is the addition of calcium minerals, which enhances the water's pH and taste, making it a great choice for health-conscious users looking for alkaline water.

In terms of performance, the filter system offers a maximum flow rate of 0.05 gallons per minute. While this may be sufficient for daily needs, it might not be fast enough for larger families or those needing a quick supply of water for cooking or entertaining. The filter lifespan is notable as well, providing long-lasting usage from premium-grade filters, ensuring that you have access to clean water for an extended period without frequent replacements.

Installation is straightforward, especially for those who are comfortable with under-sink setups, but it may require some basic plumbing skills. For users who are not handy, hiring a professional for installation might be necessary. Its compact size (16 x 5.25 x 18 inches) is a plus, allowing it to fit well under most sinks without taking up too much space. One thing to consider is that the system does have a maximum feed water pressure requirement of 40-85 psi, which means if your home has low water pressure, it could affect performance. Additionally, while it ranks as America’s number one water filter brand, it may be slightly more expensive compared to simpler filtration options, but it compensates with its high-quality output and durability.

The APEC ROES-PH75 serves as a reliable and efficient water filtration solution, especially if you value both safety and taste in your drinking water. However, it may not be the best fit for everyone, particularly those with larger water demands or limited plumbing experience.

The APEC ROES-50 Essence Series is a reverse osmosis water filter designed to deliver very clean and safe drinking water by removing up to 99% of common impurities like arsenic, lead, chlorine, fluoride, and over 1000 others. It uses a 5-stage filtration process that’s WQA certified, which means it meets high-quality standards for water treatment. This system is great if you want water that tastes much better than typical tap or bottled water and are concerned about heavy metals or other contaminants.

Its flow rate is quite slow, at about 0.03 gallons per minute, so it won’t produce water instantly. Also, this model is meant to be installed under the sink, so it’s not a simple countertop plug-and-play filter and may require some installation effort. The unit is a bit bulky, measuring 16 by 5.25 by 17.5 inches and weighing around 25 pounds, so make sure you have enough space. It includes a lead-free faucet and durable tubing, which adds to the safety and durability of the system.

If you have moderate to high total dissolved solids (TDS) in your water source, this system can handle up to 2000 ppm, which is quite robust. This filter represents a solid choice for those wanting thorough purification and who are okay with slower water output and a bit of installation work. It’s especially suitable for people with concerns about specific contaminants and who prefer a reliable, long-lasting system.