The Best Water Purifiers for Fresh and Clean Water

The best water purifiers can provide great-tasting water that may be safer to drink than your tap water. With them, you can worry less about harmful contaminants.

By Oliver Harriett | Published Oct 5, 2020 2:06 PM and its partners may earn a commission if you purchase a product through one of our links.

The Water Purifier Option


Depending on where you live, tap water can contain contaminants such as rust, chlorine, fluoride, and lead, or even bacteria or viruses. Fortunately, the best water purifiers offer a great solution for making your water taste great and removing harmful bacteria and contaminants. Though single-use plastic water bottles are sometimes used to drink better-tasting water that has already been purified, most water filters on the market can replace hundreds of plastic bottles at a fraction of the cost and simultaneously reduce the impact on the environment. Whether you’re an outdoor enthusiast or a homeowner, if you’re looking for better and safer water, a water purifier can be useful. From built-in water filtration systems to portable water purifiers, there are a variety of useful water purifiers available to provide you with clean, great-tasting water to drink any time. The best water purifiers are effective and are sized to fit your needs and the situation you need them in.

Our Top Picks

We found the best water purifiers by considering type, quality of materials, filtration system, and more.

Best Overall

The Water Purifier Option: APEC Water Systems ROES-50 Water Filter System

The APEC Water Systems ROES-50 Water Filter system includes one pre-filter, two carbon blocks, and two microfilters, which remove 99 percent of over 1,000 contaminants such as arsenic, chlorine, lead, fluoride, and heavy metals, in addition to bacteria and viruses. Reverse osmosis ensures a high quality of water safety thanks to the five-stage filtration process. With a 50-gallon per day capacity, this full-service water purifier will provide all the clean drinking water you could possibly need. This system installs easily under your kitchen sink and comes with a 100 percent lead-free faucet, plus FDA-certified food grade tubing and parts for additional safety. These features make it an excellent choice for most buyers.


The Water Purifier Option: Express Water RO5DX Reverse Osmosis Filtration

The Express Water RO5DX Reverse Osmosis Filtration system is another top reverse osmosis water purifier. This water filtration system includes a five-stage filtration process to safely remove 99.9 percent of over 100 common contaminants, nitrates, bacteria, and viruses, such as chlorine, fluoride, arsenic, E. coli, and more. It’s compact and can be quickly installed under a kitchen sink using the Quick Connect tubing system. The filtration system can purify up to 50 gallons per day of clean drinking water for your family. Each filter is color-coded for easy replacement, and your first round of replacement filters come with your first purchase. It comes with additional attachments such as UV or Alkaline filtration to choose from.

Best Pitcher

The Water Purifier Option: Brita Metro Pitcher

For a top water purifier in pitcher form, the Brita Metro Pitcher is a great pick. This smaller-sized water pitcher is designed to be space-efficient and can easily fit into tight spaces with its dimensions: it’s 9.8 inches tall, 4.45 inches wide, and 9.37 inches long. It’s made of BPA-free plastic and holds up to 5 cups or 40 ounces of filtered water. The filter reduces chlorine, copper, mercury, and cadmium, which are commonly found in tap water. The standard filter purifies up to 40 gallons (about as much as two months’-worth of water), and the Longlast filter purifies up to 120 gallons (about six months’-worth).  An alert on the top of the lid alerts users when the filter needs to be changed. On average, using a Brita water pitcher replaces 1,800 standard water bottles every year, making it environmentally-friendly.

Best for Camping

The Water Purifier Option: Sawyer Products MINI Water Filtration System

The Sawyer Products MINI Water Filtration System is an excellent water purifier for outdoor recreation, hiking, camping, and more. It uses a high-performance absolute inline filter and weighs just 2 ounces, fitting nicely in the palm of your hand. Despite its small size, it’s capable of filtering up to 100,000 gallons. This portable water purifier comes with a 16-ounce drinking pouch, but can also be used with the included straw to drink directly from a water source. It removes 99.9999 percent of all bacteria and protozoa such as salmonella, E.coli, cholera, giardia, cryptosporidium, and 100 percent of all microplastics. For outdoor enthusiasts, this top portable water purifier is powerful and compact and can keep you supplied with safe drinking water.

Best Bang for Your Buck

The Water Purifier Option: LifeStraw Personal Water Filter

For buyers who don’t want to sacrifice quality for the price, the LifeStraw Personal Water Filter provides great value at a lower price point. This award-winning water filter is an essential tool for hiking, camping, travel, and emergencies. Using hollow fiber membrane technology, it can filter up to 1,000 gallons of contaminated water, removing 99.9999 percent of bacteria and 99.9 percent of protozoan parasites at .2 microns. The LifeStraw has a high flow rate for drinking from the water source and weighs only 2 ounces.