LifeStraw Peak Series SOLO Water Filter Mountaineering glasses Travel Tip: This flask has

Travel Tip: This flask has been tried and tested by explorers at the North Pole

With internal and external zippers

Gate Opening: 21 mm (0

90% Polyester

Superior anti-chafe

LifeStraw Peak Series SOLO Water Filter Mountaineering glasses Travel Tip: This flask hasUltralight Solo Water Filter Overview LifeStraw Peak Series Solo Water Filter is an ultra lightweight (only 1. 7oz), compact (just 5. 1), portable water filtration device that removes bacteria, parasites, microplastics, silt, sand, and cloudiness from drinking water. The standard 28mm threading on the filter allows it to be screwed onto most common water bottles. The one handed flip cap makes on the go filtration super easy and fast: fill up a 1L