The Grayl UltraPress Water Purifier is your go-anywhere, do-anything solution for clean drinking water in just 10 seconds. Whether you're hiking through remote trails, travelling globally, or prepping for emergencies, the UltraPress delivers fast, effective protection from waterborne threats, all in a lightweight and compact design that fits in any bag or cup holder. With a simple process, you can purify 500ml (16.9oz) of water on the go, with no setup, batteries, or straws required. The award-winning OnePress® global protection removes 99.99% of viruses, 99.9999% of bacteria, and 99.9% of protozoan cysts, including threats like Rotavirus, Hepatitis A, E. coli, and Cryptosporidium. It also filters sediment, microplastics, chemicals, heavy metals, pesticides, and even PFAS compounds, improving the taste, clarity, and safety of your water.
The Grayl UltraPress Water Purifier features a one-way valve, so you can mix in electrolytes or sports drink powders post-purification - great for recovery on long treks or intense activities. Whilst the RiverFlow® spout provides fast-flow hydration, and the FlipCarry® handle doubles as a press aid and carry loop. Engineered for durability, the UltraPress withstands 10-foot drops while full and features non-slip TopoGrip® surfaces for dependable handling in wet or rugged conditions. Whether you’re off-grid, overseas, or in the mountains, this purifier bottle is built to perform wherever water quality is uncertain.
Features:
Ultra-fast purification: Purifies 500ml (16.9oz) in just 10 seconds (3L/min)
Compact & portable: Fits into standard backpack pockets or cup holders
Drink mix ready: One-Way Valve allows for safe addition of electrolytes and drink powders
OnePress Global Protection: Removes viruses, bacteria, protozoa, and particulates
RiverFlow Spout: Delivers fast-flow drinking, ideal for chugging or filling hydration packs
FlipCarry Handle: Rotating handle makes pressing easier and aids carrying
SimpleVent Cap: Prevents cross-contamination and vents air while pressing
SoftPress Ergonomic Comfort Pad: Improves grip and comfort during pressing
TopoGrip Surface: Anti-slip coating on high-use areas for durability in any environment
Eco-conscious: Replaces hundreds of single-use bottles
Specifications:
Capacity: 16.9 oz (500 ml)
Weight: 12.5 oz (354 g)
Height: 9.75 in (24.77 cm)
Base Diameter: 2.95 in (7.5 cm)
Flow Rate: 10 seconds per 500ml (3L/min)
Cartridge Lifespan: 300 presses / 150L (40 gal)
Cartridge Shelf Life: 10 years unopened; 3 years after first use
Durability: Survives 10 ft drops onto concrete (when full)
Materials: BPA-free polypropylene, food-grade silicone, ABS, TPE
Technology: Electroadsorption + ultra-powdered activated carbon
Removes:
99.99% of viruses (e.g. Norovirus, Hepatitis A, Rotavirus)
99.9999% of bacteria (e.g. E. Coli, Salmonella, Cholera)
99.9% of protozoa (e.g. Giardia, Cryptosporidium, Amoebae)
Microplastics, sediment, and particulates
Pesticides, herbicides, heavy metals, PFAS, VOCs, chlorine, and odours
Testing Standards: Meets/exceeds NSF/ANSI 42 & 53; EPA microbial water purifier standards
Country of Origin: Designed in USA, cartridge media made in USA, purifier bottle made in China
Whether you're venturing into the backcountry or navigating urban uncertainty, the Grayl UltraPress Water Purifier is the compact, lightning-fast purifier that ensures clean water is never out of reach.
