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

佐伊-盖茨

Editor at Backpacker

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

Richard, aka "LowRange

徒步旅行者

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.

菲利普-维尔纳

Author and Backpacker