Potable aqua tablets, Sawyer squeeze and other best water purifiers
Potable aqua tablets, Sawyer squeeze and other best water purifiers

Best Water Filters and Purifiers for the Outdoors 2021

The best water purifiers are reliable, easy to use, and lightweight. It allows the user to quickly remove pathogens from a drinking source and have full confidence that the water is clean. From backpacking to an emergency situation, you’ll find a water purifier system that fits your needs in our top picks.

Even the most pristine waters can harbor diseases. Animal and human waste carry diseases and pathogens such as protozoa, bacteria, and even viruses. With so many choices for water treatments on the market, it’s tricky to know what to select. Get to know what makes the best water purifiers and some of the top filters on the market before investing in one yourself. Using these products can help protect you from disease and discomfort in the wilderness.

Continue learning about the best water filters and purifiers, written by Lindsey Lapointe.

Media Mentions

Why use a plastic bag when you can simply screw on this end cap, specifically designed for Sawyer water filters?

Zoe Gates
Editor at Backpacker

Media Mentions

In future, I’ll use gravity when I can, and squeeze when I have to.

Richard, aka "LowRange
Hiker

Media Mentions

For longer hikes, it’s convenient to carry a small backcountry water filter, such as a Sawyer Mini or Micro, which allows you to replenish your water from natural sources like streams or ponds.

Philip Werner
Author and Backpacker