Grayl Geopress Replacement Filter Men's Rainwear Hike the trail to the

Hike the trail to the summit or play a traditional game of darts

self-sealing HyFLO bite valve makes it quicker and easier than ever to hydrate hands-free with a 30% increased flow rate

Tap into the world’s water sources and safely drink from sketchy spigots

Compact and lightweight: only 94 g

all you have to do is flip it open

Grayl Geopress Replacement Filter Men's Rainwear Hike the trail to theReplacement purifier cartridges for the GEOPRESS are designed to last 350 cycles (65 gal. 250L). Lifespan will decline when purifying water with high levels of silt, sediment or tannins. Cartridge press time increases towards the end of the cartridge lifespan; when press time reaches 25 30 seconds, the cartridge should be replaced. Cartridge continues to protect, even as press time increases.