16.9oz UltraPress® Purifier - Covert
16.9oz UltraPress® Purifier - Covert
Fill. Press. Drink. Adventure On.
From backcountry streams in the San Juan Mountains to questionable tap water halfway around the world, the Grayl UltraPress Water Purifier makes safe, great-tasting drinking water as simple as filling a bottle.
No pumps, hoses, batteries, or complicated setups. Just fill the outer cup, press down, and enjoy 16.9 ounces of purified water in approximately 10 seconds.
Compact enough for your pack's bottle pocket or vehicle cup holder, the UltraPress combines serious water purification with everyday convenience. Whether you're backpacking, rafting, traveling internationally, or building an emergency kit, it's a dependable way to stay hydrated wherever adventure takes you.
Features
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OnePress® Purification: Fill, press, and drink in approximately 10 seconds, with a fast flow rate of 3 liters per minute.
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Global Water Protection: Removes waterborne viruses, bacteria, and protozoan cysts, including Norovirus, E. coli, Giardia, and Cryptosporidium.
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Advanced Filtration: Reduces sediment, microplastics, many chemicals, pesticides, herbicides, heavy metals, PFAS, unpleasant tastes, and odors.
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RiverFlow® Spout: Fast-flow drinking spout makes it easy to drink directly or fill hydration reservoirs and other bottles.
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FlipCarry® Handle: Rotates 90 degrees for convenient carrying, easy separation, and a comfortable pressing surface.
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SimpleVent® Drink Cap: Releases air during purification and protects the drinking spout from cross-contamination.
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SoftPress® Comfort Pad: Ergonomic, non-slip surface makes pressing easier.
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TopoGrip® Surfaces: Textured grip areas provide secure handling in wet conditions.
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Drink-Mix Compatible: One-way silicone valve allows electrolytes, drink mixes, and other beverages to be added to purified water without contaminating the cartridge.
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Replaceable Cartridge: Purifies up to 40 gallons (150 liters), approximately 300 presses.
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Built Tough: Designed to withstand drops up to 6 feet onto concrete when full.
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Less Plastic Waste: Refill from freshwater sources instead of relying on disposable water bottles.
Technical Specifications
| Specification | Details |
|---|---|
| Capacity | 16.9 fl oz / 500 mL |
| Weight | 12.5 oz / 354 g |
| Height | 9.75 in / 24.77 cm |
| Base Diameter | 2.95 in / 7.5 cm |
| Purification Time | Approximately 10 seconds |
| Flow Rate | 3 liters per minute |
| Cartridge Capacity | 300 presses / 40 gallons / 150 liters |
| Cartridge Life | Up to 3 years after first use |
| Unopened Cartridge Shelf Life | 10 years when properly stored |
| Technology | Electroadsorption and activated carbon |
| Materials | BPA-free polypropylene, food-grade silicone, TPE, and ABS plastic |
| Bottle Origin | China |
| Cartridge Origin | USA |
Purification Performance
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Viruses: 99.99% removal
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Bacteria: 99.9999% removal
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Protozoan Cysts: 99.9% removal
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Additional Filtration: Reduces particulates, microplastics, many chemicals, PFAS, VOCs, pesticides, herbicides, heavy metals, and unpleasant tastes and odors.
Independently tested to meet or exceed applicable NSF/ANSI 42 and 53 protocols and the EPA Guide Standard for microbiological water purifiers.
The High Desert Take
Around here, water is something you plan for, not something you take for granted. Whether you're hiking into a remote canyon, floating the Dolores River, or traveling beyond the Four Corners, the UltraPress makes treating freshwater incredibly simple.
We especially like that you don't have to mess with squeeze bags, gravity systems, or waiting around for chemical treatments. Fill it, press it, and get moving.
Big-time water protection in a bottle that goes just about anywhere.