The Pack-up-Bottle is collapsible into three parts and holds up to 700ml of liquid. The standard-size bottleneck allows for easy drinking and gives you the possibility to add other functions, such as a water filter.
This is the lightest, most reliable pump on the market, redesigned to improve the performance of all MSR liquid-fuel stoves. It offers unmatched durability, easier field maintenance, and superior flame control for more cooking options than ever.