REPLACEMENT FILTER FOR GRAYL GEOPRESS 710 ML

Here's a refreshed version :

Boost your GeoPress. Keep adventuring.

The replacement purifier cartridge designed for your Grayl GeoPress Bottle — engineered to deliver safe, clean drinking water on every expedition, anywhere in the world.

Redesigned in April 2023, the GeoPress cartridge now features an improved core and flow channels that accommodate the One-Way Valve, allowing you to safely use electrolytes, drink mixes, and other flavored liquids without compromising your filter. (Note: the One-Way Valve ships pre-installed in every GeoPress Bottle.)

Cartridge specs

• 350 cycles of purified water (65 gal. / 250 L)
• Removes viruses, bacteria, protozoa, microplastics, chemicals and heavy metals
• Compatible with electrolytes and drink mixes via the One-Way Valve
• Lifespan may decrease in water with high silt, sediment, or tannin content

Knowing when to replace your cartridge

Press time gradually increases as the cartridge approaches end of life. When press time hits 25–30 seconds, it's time for a replacement. Rest easy: even as press time increases, your cartridge continues to protect you from contaminants — performance stays strong right up to the end.