GRAYL GeoPress™ Purifier - Covert Black Book 1 hook and loop closure

1 hook and loop closure located in the middle of the brim

The new 3L

Quadruple stitched to eliminate stretch and breakage

"Vehicular Emergency Improvisation"

Ultra fine

GRAYL GeoPress™ Purifier - Covert Black Book 1 hook and loop closureUnrivaled Ease, Speed & Convenience. No other portable purifier rivals the speed, simplicity and effectiveness of GEOPRESS. In eight seconds, it makes 24 ounces (710 ml) of safe, clean drinking water anywhere in the world. Effective on all seven continents, you can tap into the worlds water sources and safely drink from sketchy spigots, hotel sinks, murky rivers, wells or lakes. GEOPRESS protects from global waterborne pathogens (virus, bacteria,