I'm not an UltraLight tramper. But prefer light over heavy, simple over complex when it comes to my gear. My comfort driven side. The Platypus serves as a light weight dirty water reservoir for a DIY gravity water filter. Depending on the trip either the FrontierPro or the MSR/Platypus gravity filter is used. This DIY is significantly lighter (either less than 5oz or less than 8oz for total sys
This review was written in the old system and had content requirements that are different than reviews written today.