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.
Drink-Mix & Electrolyte Ready! Compact, fun, and ridiculously easy to use — the 16.9oz UltraPress® Purifier Bottle fits into any pack pocket (or cup holder), requires zero setup, and makes clean, great tasting drinking water in a mere 10 seconds (3L/min). On-the-go filtration and purification for the hiker, backpacker, camper, emergency prepper or global traveler seeking fast-flow purified water for chugging, filling hydration reservoirs, or cooking. Simply—Fill. Press. Drink.™
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).
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.®
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).
Ultra-powdered activated carbon filters particulates (sediment, microplastics) and adsorbs many chemicals, pesticides, herbicides, heavy metals, VOCs, flavors and odors.
Active Technology: Electroadsorption 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, pesticides, herbicides, heavy metals, VOCs, flavors and odors.
Durability: 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 3 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.
Designed in USA. Cartridge media made in USA. Purifier bottle made in China.
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.
Replacement bottle parts and replacement cartridges are available for purchase on our website.
Click here for online an online visual Quick Start Guide guide with step-by-step videos that contain the nuts and bolts for quickly getting up to speed with the UltraPress® Filter & Purifier Bottle.
Shipping Calculated At Checkout
Note: USPS Ground Advantage™ service includes up to $100 insurance in the price. We recommend adding the Order Protection option for orders over this amount.
All orders are processed within 2-3 business days.
All orders are processed and shipped during our business hours. Orders are not shipped or delivered on U.S. holidays.
If we are experiencing a high volume of orders, shipments may be delayed.
Please allow additional days in transit for delivery.
If a significant delay in shipment is expected, then we will contact you via the information you provide at checkout.
Overnight delivery is only available for orders with delivery addresses within the continental United States.
Delivery delays can occasionally occur.
Expected Transit Times
All transit times are based on once your order ships.
USPS Ground Advantage™ - 2 to 5 Business Days
USPS Priority - 1 to 3 Business Days
USPS Priority Express - Next-Day to 2 Business Days
UPS Ground - 1 to 5 Business Days
Once we receive your item, we will inspect it and notify you that we have received your returned item. We will immediately notify you on the status of your refund after inspecting the item. If your return is approved, we will initiate a refund to your original method of payment. You will receive the credit within the terms set forth by your credit card/debit card company.
You have 30 calendar days to return an item from the date you received it. To be eligible for a return, your item must be unused and in the same condition in which you received it. Your item must be in the original packaging. Your item must have the receipt or proof of purchase .If you make a purchase for the holidays between October 1st and December 25th we will accept returns for those items up until January 31st of the following year provided that the same requirements above are met - the item is unused, has original packaging returned with it, and has a proof of receipt showing the date of purchase. PLEASE NOTE: The purchaser shall be responsible for paying return shipping costs. Initial shipping fees are nonrefundable. If your return qualifies for a refund you will receive the refund for that item(s) minus a 10% restocking fee.
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