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Grayl 16.9oz UltraPress® Olive Drab
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UltraPress® now has a boost! All bottles ship with a One-Way Valve pre-installed making it possible to add electrolytes, drink mixes and other flavored liquids directly into an UltraPress. Purify 16.9 oz. of drinking water in a mere 8 seconds with the lightweight Grayl UltraPress®.
FEATURES
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Compact and ridiculously easy-to-use, the UltraPress fits into any pack pocket (or cup holder), requires zero setup, and makes clean purified drinking water in 10 seconds (3L/min).
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Award winning OnePress® global protection is effective on all 7 continents and empowers adventurers and travelers to drink from the world’s sketchiest freshwater sources. Simply — Fill. Press. Drink.®
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Removes waterborne pathogens including virus (e.g. Rotavirus, SARS, Hepatitis A, Norovirus), bacteria (e.g. E. coli, Cholera, Salmonella, Dysentery) and Protozoa (e.g. Giardia, Cryptosporidium, Amoebae).
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Ultra-powdered activated carbon filters particulates (sediment, microplastics) and adsorbs many chemicals, pesticides, herbicides, heavy metals, VOCs, flavors and odors.
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Replaceable purifier cartridge rated for 300 cycles (40 gal. / 150L).
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RiverFlow® spout delivers a fast-flow of clean drinking water for chugging, filling hydration reservoirs and other bottles.
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RiverFlow® Spout. A wide contoured spout delivers a fast flow of water for chugging, filling hydration reservoirs and other bottles.
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FlipCarry® handle rotates 90° for effortless separation (Inner Press from Outer ReFill) and easy carrying; provides a large pressing surface when flat.
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Multi-functional SimpleVent® drink cap vents air (by twisting cap ½ turn) during purification and filtration; protects spout from cross-contamination.
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SoftPress® ergonomic comfort pad (on drink cap) provides for non-slip, anti-fatigued pressing.
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TPE TopoGrip® placed on all heavy use surfaces for tactile, non-slip performance and durability.
Pair with UltraPress® Replacment Cartridges
TECH SPECS
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Capacity: 16.9 fl. oz (500 ml)
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Weight: 12.5 oz (354 g)
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Height: 9.75" (24.77 cm)
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Diameter (at base): 2.95” (7.5 cm)
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Active Technology: Electroadsorption and ultra-powdered activated carbon.
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Fast-Flow Rate: 10 seconds per 16.9 fl oz (3 liters/minute)
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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.
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Filters: Particulates (sediment, microplastics) and ultra-powdered activated carbon adsorbs many chemicals, pesticides, herbicides, heavy metals, VOCs, flavors and odors.
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Durability: Withstands 10 ft drops (full of water) onto concrete.
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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.
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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 3 additional years.
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Materials: Made from BPA-FREE polypropylene #5, food-grade silicone, TPE and ABS food-grade plastic.
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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.
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Designed in USA. Cartridge media made in USA. Purifier bottle made in China.
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Grayl® purifier bottles are accompanied by a ten (10) year warranty covering workmanship and materials. We stand behind everything we sell. If you have a problem with your Grayl®product, please reach out through customer support or LIVE CHAT.
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Replacement bottle parts and replacement cartridges are available for purchase on our website.
When systems fail, capability matters. This gear is chosen for real-life application.
Durable materials. Practical construction. Dependable performance under stress.
If it doesn’t improve preparedness, we don’t carry it.

Survival Gear BSO was built for those who understand that readiness isn’t paranoia — it’s wisdom. We curate practical, field-ready gear designed to help you protect, provide, and persevere when it matters most.
No gimmicks. No fluff.
Just dependable equipment for real-world situations.
HOW FAST WILL MY ORDER SHIP?
We process and ship most orders within 2–3 business days.
Once your order is on the way, you’ll get a tracking number so you can monitor delivery. Orders don’t ship on weekends or federal holidays, and expedited options are available at checkout.
CAN I TRACK MY ORDER?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
WHAT IF THERE’S AN ISSUE WITH MY ORDER?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
CAN I MODIFY OR CANCEL MY ORDER?
Contact us as soon as possible after placing your order. If it hasn’t shipped yet, we’ll do our best to assist.
DO YOU OFFER RETURNS?
Yes. If your gear isn’t the right fit, we offer straightforward returns. See our return policy for details.
WHY SHOP WITH SURVIVAL GEAR BSO?
We curate practical, field-ready equipment — no gimmicks, no fluff. Everything we carry serves a real preparedness purpose.


