Our Top Picks
Best Overall: New Wave Enviro 10 Stage Water Filter System at Amazon
“This 10-stage water filter that can be mounted above or below your sink.”
“Customers comment on the ease of installation and budget-friendly price.”
Best for Fluoride Removal: Home Master Water Filtration System at Amazon
“Can remove up to 93 percent of fluoride, chlorine, and other chemicals.”
Best Alkaline Filter: APEX Countertop Alkaline Drinking Water Filter at Amazon
“Filters out contaminants that cause waterborne illness.”
Best Filter at the Tap: Aquasana Countertop Drinking Water Filter at Amazon
“The diverter allows you to use unfiltered water from the tap too.”
“This water filter offers durability and a modern aesthetic that can't be beaten.”
Best High-End: AquaTru Water Filter Purification System at Amazon
“This advanced system can remove 128 different heavy metals and contaminants.”
Best for Cold Water: Comfee Water Dispenser with Filter at Amazon
“Not only removes contaminants but chills your water before dispensing it.”
01 of 08
Best Overall: New Wave Enviro 10 Stage Water Filter System
This 10-stage water filter boasts the ability to filter water to below EPA minimum levels for safe drinking and good-tasting water. While this is designed for countertop use, a conversion kit is sold separately, so you can mount this under the sink to free up counter space.
This filters chlorine, trihalomethanes, arsenic, mercury, lead, PCBs, floating solids, asbestos, pesticides, hydrogen sulfide, cadmium, cryptosporidium, giardia, herbicides, and more, while leaving behind desirable minerals like magnesium, potassium, chlorides, and fluoride. This produces up to 1500 gallons of water before the filter needs to be replaced.
02 of 08
Best Budget: Ecosoft Countertop Drinking Water Filter System
This opaque white filter will blend into the décor of your kitchen, so it won’t stand out on the counter and become an eyesore. Beyond its aesthetic value, this removes common contaminants like chlorine, lead, and sediment from your drinking water, and the filter is rated to handle up to 1500 gallons of water before it needs to be changed.
Customers comment on the ease of installation, budget-friendly price, and the excellent customer service from this company. The installation kit includes a plastic wrench, so you won’t even need to hunt for tools.
03 of 08
Best for Fluoride Removal: Home Master Counter Top Water Filtration System
Rated to remove up to 93 percent of fluoride, arsenic, chlorine, and other chemicals, as well as sediment, pesticides and more, this uses special compression disks within the filter so the filter fills completely for even filtration and full use of the entire filter. Meanwhile, beneficial dissolved solids like calcium and magnesium pass through the filter to remain in the water. The filter is rated to handle up to 500 gallons of water before it needs to be replaced.
04 of 08
Best Alkaline Filter: APEX Countertop Alkaline Drinking Water Filter
The APEX Countertop Alkaline Drinking Water Filter removes common contaminants that affect water flavor like chlorine and sediment, and it also filters cryptosporidium and giardia cysts that cause waterborne illness. Radon, mercury, and pesticides are also removed, along with a wide range of other contaminants. Unlike other filters that simply remove contaminants, this filter replaces minerals which actually improves the flavor of your water (and it raises the final pH level, too). Plus, the clear exterior of this filter lets you watch the filtering action in progress and see what’s being removed from your water. Each filter is rated to filter up to 750 gallons of water before it needs to be replaced.Continue to 5 of 8 below.
05 of 08
Best Filter at the Tap: Aquasana Countertop Drinking Water Filter System
No need to remember to draw water from a separate faucet, this connects to the faucet much like other filters to collect the water and filter it, but then it returns the water to the tap so you can use your kitchen faucet like you always do.
This unit has two filters enclosed in the case and it filters out chlorine, lead, pharmaceuticals, pesticides, heavy metals, herbicides, and many other contaminants while retaining useful minerals like calcium, potassium, and magnesium.
The filter is rated to handle up to 450 gallons of water before it needs to be replaced. It includes two adapters which should fit most standard faucets, and the diverter allows you to use unfiltered water from the tap too.
06 of 08
Best Design: Lake Industries The Stainless Steel Countertop Water Purifier Filter
This countertop water filter offers durability and a modern aesthetic that can't be beaten. It's able to remove up to 97 percent of chlorine, particulates, volatile organic compounds, radon. The 3/4 inch port spout is designed for fast water flow, so you can fill your glass quickly.
The filter is rated to handle up to 1000 gallons of water before it needs to be changed. This model also includes a special filter wrench that makes it easy to remove and replace the filters when necessary and a 10-micron carbon filter. Two other types of filters are also available for different types of filtering
07 of 08
Best High-End: AquaTru Countertop Water Filter Purification System
If your high-end faucet won’t accept an adapter for a countertop water filter, this unit does the job, and more. It has a mechanical pre-filter that removes sediment and cloudiness before the filtering begins, followed by a reverse osmosis pre-filter, a reverse osmosis membrane, and an activated carbon VOC filter. This system can remove 128 different heavy metals, pharmaceuticals, chlorine, and other contaminants.
You’ll need a nearby electric outlet to power the unit during the filtering. If you don’t want to leave it on, a switch is located on the back of the unit. While you’ll need to fill it with water each time you filter, it can purify a gallon of water in 15 minutes or less.
The filters can handle up to 600 gallons of water before they need to be replaced, while the reverse osmosis membrane can handle 1200 gallons. There’s no need to guess when the filters need to be changed since the digital readout will let you know.
08 of 08
Best for Cold Water: Comfee Countertop Water Cooler Dispenser with Filter
Let’s face it, most people like their drinking water chilled, and most tap water isn’t quite that cool. This countertop filter not only removes contaminants, but it chills and dispenses the water with style, or you can choose room temperature water when you’re filling your coffee maker.
This has a multi-layer composite filter that removes sediment, rust, chlorine, and odors for better-tasting water. The one-touch button lets you dispense three different amounts of water to fill small, medium or large glasses, and the cold water tank holds 41 ounces of water, so you’ll have an instant supply.
The filter is rated to handle up to 3000 liters (about 793 gallons) of water before it needs to be replaced, and the filter reminder on the unit will let you know when the filter needs to be changed so you won’t have to guess. This includes a line and splitter to connect to your water supply for easy installation. YouTube videos are available for installation instructions if you need them, but users have said that it was not at all difficult.
Our writers spent 6 hours researching the most popular countertop water filters on the market. Before making their final recommendations, they considered 14 different water filters overall, screened options from 14 different brands and manufacturers and read over 10 user reviews (both positive and negative). All of this research adds up to recommendations you can trust.