GEOPRESS® One-Way Silicone Valve _tab1_geopress-cartridge-features filling hydration reservoirs

filling hydration reservoirs

Cartridge press time increases towards the end of the cartridge lifespan- when press time reaches 25-30 seconds

or global adventurer seeking discretion and fast-flow purified water for drinking

Stealth on-the-go filtration and purification for the hiker

GEOPRESS® One-Way Silicone Valve _tab1_geopress-cartridge-features filling hydration reservoirsA feature no other drink thru filter bottle can deliver, the GeoPress One Way Valve allows electrolytes and sport drink mixes to be added to clean purified water without compromising the integrity of the filter. Only compatible with 2nd Generation cartridges first sold in April 2023 that include a new "core" and "flow channel" design (horizontal vents).