• Compact and ridiculously easy to use, the UltraPress fits into any pack pocket (or cup holder), requires zero setups, and makes clean, purified drinking water in 10 seconds (3L/min).
• Award-winning OnePress® Global Purification is effective on all seven continents and empowers adventurers and travelers to drink from the world’s sketchiest freshwater sources. Simply — Fill. Press. Drink.®
• Removes waterborne pathogens, including viruses (e.g., Rotavirus, SARS, Hepatitis A, Norovirus), bacteria (e.g., E. coli, Cholera, Salmonella, Dysentery), and Protozoa (e.g. Giardia, Cryptosporidium, Amoebae).
• Ultra-powdered activated carbon filters particulates (sediment, microplastics) and adsorbs many chemicals, pesticides, herbicides, heavy metals, VOCs, flavors, and odors.
• One-Way Silicone Valve, Drink-Mix Ready! A one-way valve (pre-installed in the cartridge) allows electrolytes or a sports drink mix to be added to your water. It also enables using any other potable beverage with your Grayl (fill from the topside of the bottle).
• Replaceable purifier cartridge rated for 300 cycles (40 gal. / 150L).
• RiverFlow® Spout delivers a fast flow of clean drinking water for chugging filling hydration reservoirs and other bottles.
• FlipCarry® Handle rotates 90° for effortless separation (Inner Press from Outer ReFill) and easy carrying; provides a large pressing surface when flat.
• Multi-functional SimpleVent® Drink Cap vents air (by twisting the cap ½ turn) during purification and filtration; protects the spout from cross-contamination.
• SoftPress® Ergonomic Comfort Pad (on drink cap) provides for non-slip, anti-fatigued pressing.
• TPE TopoGrip® placed on all heavy-use surfaces for tactile, non-slip performance and durability.
• Capacity: 16.9 fl oz (500 ml)
• Weight: 12.5 oz (354 g)
• Height: 9.75" (24.77 cm)
• Diameter (at base): 2.95” (7.5 cm)
  
• Active Technology: Electroabsorption and ultra-powdered activated carbon.
• Fast-Flow Rate: 10 seconds per 16.9 fl oz (3 liters/minute)
  
• Removes: Waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts), including Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery and more.
• Filters: Particulates (sediment, microplastics) and ultra-powdered activated carbon adsorbs many chemicals (including PFAS & VOCs), pesticides, herbicides, heavy metals, flavors, and odors.
• Durability: built tough to perform in harsh conditions and withstands 10 ft drops (full of water) onto concrete.
• Cartridge Lifespan: 300 presses (150L/40 gal), as “press time” reaches ~25 seconds (or three years have elapsed since first use), it’s time to replace your purifier cartridge.
• Cartridge Shelf Life: Stored under proper conditions, an unopened Purifier Cartridge has a shelf life of 10 years. After a cartridge has been used, it lasts at least three additional years.
• Materials: Made from BPA-FREE polypropylene #5, food-grade silicone, TPE, and ABS food-grade plastic.
• Testing Standards: Independently tested by a certified laboratory to meet or exceed NSF/ANSI protocols 42 and 53 for sediment, pathogen and chemical removal; meets the EPA Guide Standard and Protocol for testing microbiological water purifiers.

Drink-Mix & Electrolyte Ready! Compact, discrete, and ridiculously easy to use — the UltraPress® Covert Edition fits into any pack pocket (or cup holder), requires zero setup, and makes 16.9 ounces of clean purifier water in a blazing fast 10 seconds (3L/min). Stealth on-the-go filtration and purification for the hiker, backpacker, hunter, or global adventurer seeking discretion and fast-flow purified water for drinking, filling hydration reservoirs, or cooking.

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