I just got done using this bladder on a 3 day hike. I like that it is sturdy, screws directly onto my MSR Waterworks and it is lighter than using bottles. My only criticism is that the hose can be a little easy to kink or pinch. But if I take my time to route it smoothly it is not a problem.
This review was written in the old system and had content requirements that are different than reviews written today.