Grayl the most important tool you need in world war 3

(The video was taken from GRAYL) Unrivaled Ease, Speed & Convenience. No other 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 world’s water sources and safely drink from sketchy spigots, hotel sinks, murky rivers, wells or lakes.

US link - https://amzn.to/3TT0bgm
EU link - https://amzn.to/3fkKEqu