It's a 0.1 micron inline filter that fits in the palm of your hand and attaches to an included drinking pouch.
Stephanie Dwilson
Commerce Writer, Athlon Sports
媒体报道
For extreme bug conditions (deep woods, swamps), pairing the shirt with a dedicated insect repellent like Sawyer Permethrin is recommended, as the shirt itself isn’t chemically treated.
菲利普-维尔纳
Author and Backpacker
媒体报道
Sawyer Squeeze: What I will use to filter from dirty to clean water