“Totally bombproof… I drank water in Nepal for a month and never got sick.”
“As user friendly as it gets.”
“GRAYL delivers on the promise of fast, easy water purification.”
“One of the few options that can handle all contaminants (and pesky viruses too), combined with unrivaled ease of use and portability.
“Top pick. Effective against all noteworthy contaminants. Fast and easy to use.”