Grayl Geopress Replacement Filter Men's Rainwear self-sealing HyFLO bite valve makes

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

weighs 16 ounces

There is a side zip stash pocket perfect for holding a key or card

Grayl Geopress Replacement Filter Men's Rainwear self-sealing HyFLO bite valve makesReplacement 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.