MSR Guardian™ Purifier bladder A Gore-Tex membrane ensures durable

A Gore-Tex membrane ensures durable weather protection for year-round use

BREATHABILITY

YKK® zipper for underarm ventilation

EN Extreme (C) -15 C -15 C -15 C EN Extreme (F) 5 F 5 F 5 F EN Limit (C) 0 C 0 C 0 C EN Limit (F) 32 F 32 F 32 F Fill material eraLoft Polyester Hollow Fiber eraLoft Polyester Hollow Fiber eraLoft Polyester Hollow Fiber Fill weight (Metric) 0

Prevents overheating and improves comfort by transferring moisture vapor away from the body through the fabric

MSR Guardian™ Purifier bladder A Gore-Tex membrane ensures durableNothing is safer or easier to use for purifying the most demanding backcountry water sources than the Guardian purifier. Originally designed for military squads, it brings this highly advanced technology to global travelers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing nations and popular wilderness areas. Its advanced hollow fiber