Platypus Gravityworks 4L System Biking And when the trail turns

And when the trail turns to a scramble

while adding 5-inches (13cm) of flotation on-demand for deeper snow

Recyclable plastic tube

Polycarbonate lens

comfort and convenience

Platypus Gravityworks 4L System Biking And when the trail turnsHigh capacity, pump free water filtration for groups and basecamps. No pumping: Just fill the dirty reservoir, hang it, and let gravity do the hard workyep, filtering water can be as easy as fill, hang, relax. Fast: Filters up to 1. 75 liters per minute; microfilter lifetime up to 1,500 liters of water. Effective: Every microfilter is individually tested to ensure it meets all EPA & NSF guidelines for the removal of 99. 9999% of bacteria and 99. 9% of