Grayl geopress replacement filter purifier cartridge
Boost your GeoPress! GeoPress cartridges were redesigned in April 2023 with a new "core" and "flow channels" to acc...
Boost your GeoPress! GeoPress cartridges were redesigned in April 2023 with a new "core" and "flow channels" to accommodate a One-Way Valve for use with electrolytes, drink mixes and or other flavored liquids. Note: the GeoPressA(R) One-Way Valve ships pre-installed in every GeoPress Bottle.
