GEOPRESS® One-Way Silicone Valve _tab3_we-have-you-covered Unequalled versatility

Unequalled versatility

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

Filter and purify by the water’s edge and bring it back to camp to boil alongside hot coals

Simply—Fill

GEOPRESS® One-Way Silicone Valve _tab3_we-have-you-covered Unequalled versatilityA 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).