No other portable purifier rivals the speed, simplicity and effectiveness of the GRAYLA(R) GEOPRESS Water Purifier. In only 8 seconds, you'll get 24 ounces of safe, clean drinking water-anywhere in the world. Simply scoop the water into its external vessel, then push the water through the internal filter, and drink. And it's effective on all 7 continents. That means safely drinking from sketchy spigots. Sipping clean water from hotel sinks. And getting purified water from murky rivers anywhere in the world. Purifies and filters contaminated water in 8 seconds (5 liters per minute) OnePress Global Protection is effective anywhere Removes waterborne pathogens (viruses, bacteria, and protozoan cysts) Filters particulates, many chemicals, pesticides, and heavy metals Improves taste, smell and clarity SimpleVent Drink Cap performs 3 functions: Vents air while purifying, protects cross contamination, and allows one-handed hydration SoftPress ergonomic comfort pads for non-slip, anti-fatigued pressing TopoGrip non-slip TPE placed on all heavy-use surfaces Saves money and waste; travel sustainably and never buy single-use bottled water again Durability construction withstands a 10' fall onto concrete Cartridge lifespan rated for 350 cycles (65 gal. / 250L) Tested to NSF/ANSI standard 42 and 53 Meets EPA standards for testing microbiological water purifiers Order today!