5 Best Countertop Water Filters (2021): Reviews & Buying Guide

Updated: Jun 16

Filtration systems are essential for water purification. As a result, your water is safe from various harmful contaminants, and you can drink it without any concerns.

Different types of filters are available, and one of them is the countertop filter. As a result, water is cleaned of a wide range of pollutants. Also, some of these add alkalinity to the water.

It is pretty convenient and straightforward to install these filters. They aren't expensive, and they don't take up much space. Their maintenance is also easy.

While there are many advantages to countertop water filters, several manufacturers claim to produce them that are the best.

To provide you with the best water filter on the market, we have chosen the eight best options. We also recommend consulting our buying guide before you buy a countertop water filter to be aware of the many factors you should consider.

#1 750 Gallon Countertop Drinking Water Filter by Apex

Product Dimensions: 12 x 4.5 x 4.5 inches

Weight: 4.85 Pounds

Filter Capacity: 750 gallons

Features: Using a wrench, you can easily open the housing to replace the used filters.

Apex Countertop Alkaline water filters are some of the best water filters available on the market. Water that has been treated using this system is 99% free of various toxic contaminants.

The chlorine is removed from the water to remove bad odors and tastes. The water you get from your sink faucet will be tasty and odorless after installing this water filter. Lastly, it removes radon, chloramine, and benzene from your water, providing you with healthy and safe water. To make the water alkaline, it also adds calcium, magnesium, and potassium.

When it comes to its installation, it is easy to install. The simple instructions make it easy to connect it to your kitchen sink faucet. An adapter is required to make it work on the faucet.

#2 Enviro 10 Stage 1500 Gallon Water Filter by New Wave

Product Dimensions: 12.2 x 5.4 x 4.6 inches

Weight: 0.5 Pound

Filter Capacity: 1500 gallons

Features: A kit from Enviro makes it possible to install the filter under the sink. It's easy to maintain too.

According to NSF standards and Gold Seal Association certification, this unit from the "New Wave" is the second-best countertop water filter available. In addition to eliminating the various common impurities found in tap water in a significant amount, the 10-stage filter system does so in a very efficient way. As a result, the water becomes clean and safe for consumption and use.

Taking just a couple of minutes to install, it is quite simple. The device is simple to install and provides safe, healthy water every time. The option of switching between tap and filtered water can be performed in seconds.

In addition to chlorine, lead, arsenic (organic and inorganic), mercury, bacteria, pesticides, and herbicides, the filter removes these contaminants from the water. Individuals can become ill from any of these harmful contaminants.

Water flavor is also improved, and unwanted smells are removed.

#3 Countertop Drinking Water 1500 Gallon Filter by Ecosoft

Product Dimensions: 3.5 x 3.5 x 12 inches

Weight: 3.22 Pounds

Filter Capacity: 1500 gallons

It delivers a better taste and no odor to the water. This product features a modern design that will make your kitchen look even better. You enjoy an improved taste of water without odor.

This countertop filtration system is one of the best on the market. Modern-style faucets and kitchen cabinets are ideally suited to this faucet. Filtration of water is performed with coconut shell carbon activated by moisture.

Drinking water is made safe by eliminating sediment, lead, chlorine, chloramine, and rust. Additionally, it improves the taste of the water and eliminates unwanted odors.

You can use this filtration system without any worries about BPA because the plastic used in it is non-toxic. On top of this, it's also reasonably affordable.

Additionally, the installation and use are easy. Installing the unit does not require plumbing or drilling. Connect a sink faucet to your filter, and you're good to go.

Each filter cartridge can produce 1500 gallons of fresh, clean water. For the system to perform optimally, it must be replaced on time after that.

#4 TMJRF2 Countertop Water 500 Gallon Filtration System by Home Master

Product Dimensions: 12.3 x 9.4 x 7.6 inches

Weight: 4.25 Pounds

Filter Capacity: 500 gallons

The simplicity and compactness of its design and the ease of its installation contribute to its effectiveness. All you need to do is connect the filter to your sink faucet, and you're done.

A countertop filter system such as this one by Home Master is a simple yet effective way to purify water while occupying little kitchen counter space. It is also a portable unit, thanks to its compact design.

Water contaminants are removed up to 93% by its three-stage filtration system. Chemicals such as chlorine, fluoride, and other toxins are effectively and efficiently removed by it. This filter is also a great choice if you want to add calcium and magnesium to your water. Providing you with safe and healthy water does not remove these minerals.

Unlike other granular filters, it has a multistage filter that works better. It does not let enough unfiltered water pass through the filter media. Water is filtered evenly so that no impurities are present in any drop.

#5 Counter Water 10,000 Gallon Filtration System by CleanWater4Less

Product Dimensions: 5 x 5 x 9.5 inches

Weight: 3.36

Filter Capacity: 10,000 gallons

Additional features: It is capable of filtering a great deal of water. The filter may need to be replaced after 10,000 gallons of clean water.

CleanWater4Less offers a compact countertop water filtration system that removes different impurities from tap water.

Besides being easy to install, the model has other advantages. A diverter valve needs to be installed on your kitchen faucet to allow the incoming water to flow into the filter, allowing for immediate use of the filtered water. Additionally, you do not need any tools for this.

In addition to removing harmful chemicals, bacteria, sediment, and minerals from the water, the system can also remove sediment.

Buyer's Guide to The Best Shower Water Filter

To choose the best countertop filter, you need to consider several factors. To understand these factors, let's look deeper.

Filter Type

There are two kinds of countertop water filters, although it is obvious where you are purchasing your water filter. One type of water filter pitcher attaches directly to your sink's faucet, and the other type is called a water filter attachment.

The faucet is connected to all the filters, but Big Berkey is connected to it.

What type of countertop filter you select will therefore depend on your needs.

The only drawback of water pitchers has to refill the water when it is empty, so they are more suitable for people with less space around their sink. In addition, it can only produce a few cups of filtered water at a time.

A filter attached to a faucet provides constant filtered water and does not need to be refilled. The main downside is that they keep working, but you won't know when your filter is in danger of being clogged.


It is essential to keep the size in mind as well. Make sure that your filter can accommodate your sink faucet if it connects to a faucet.

Types of Contaminants Removal

You should ensure that your countertop filter unit will eliminate all the impurities in your tap water before purchasing it. It is better to be aware of precisely what your filter can do than to assume it will effectively eliminate various harmful pollutants from water. Compared to other units, some filters eliminate chlorine better than others. Some remove chloramine exceptionally well, while others are weak or do not remove it. Additionally, various filters remove calcium, magnesium, and potassium minerals from the water.

To know which type of filter you need depending on the contaminants in your water, it is essential to identify what type needs to be installed. The first thing you need to do before buying a filter is to test the water with a water test kit.

Life of a Filter Cartridge

The life of a filter cartridge is also an important consideration. Depending on the cartridge, its life span could range from 6 months to several years. The number of gallons of water might be indicated instead of the number of months or years.

To ensure a long cartridge life, it is advisable to choose a unit with a long cartridge life.

Installation/Ease of Use

Compared to water filter pitchers, the filters that connect to faucets are easier to install and use. However, water filter pitchers are also easily installable.

The pitchers are not as easy to use as faucet filters when it comes to ease of use.

In contrast, water filter pitchers require some exercise; you must regularly fill the pitcher to get filtered water. A faucet-connected filter can be used simply by attaching the filter to your faucet and turning it on.

Alkaline water is beneficial to your health, and there are filters designed to make that happen. These units make use of special cartridges to make the water alkaline.

Before You Buy

To determine the type of contaminants in your tap water, you should first test it using a water testing kit to identify the contaminants. Before you purchase a countertop filter, it is necessary to test your incoming water first.

When you know about the contaminants, you need to research which are the most harmful, as some claim lead is the most dangerous. Do not listen to others because some believe lead is the most harmful contaminant. According to some, chlorine and chloramine may be more dangerous than other contaminants. So, be sure to research what kind of filter you need based upon the harmful contaminants you are dealing with.

Now that you know what kind of contaminants you are exposed to, you should decide what kind of filter system gives you the best protection.

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