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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 GeoPress® One-Way Valve ships pre-installed in every GeoPress Bottle.
Save on GeoPress® Purifier Cartridge with a GRAYL® promo code
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