GRAYL Ultralight Water Purifier
The Disabled Hiker puts the Grayl Ultralight Water Purifier threw the full spectrum of Disabled Hiker tests while finding ways to enhance it's use for the adaptive hiking/backpacking community.
Full review at the following link.
My service dog TaSunka didn't seem to be impressed, but I sure was.
It's as easy as...
#1. separate the press from the fill bottle.
#2. Fill bottle to the line.
#4. And drink up!