GRAYL UltraPress 16.9 oz Water Purifier & Filter Bottle for Hiking, Backpacking, Survival, Travel (Olive Drab)
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Availability:
In Stock.
Arrives
Mar 15 – Mar 23
Color: Olive Drab
Features
- ONEPRESS GLOBAL PROTECTION. Empowers international travelers and outdoor adventurers to make the worlds sketchiest water sources clean to drink. Ideal for global travel and outdoor adventures (hiking, camping, backpacking, fishing, hunting) and survival
- REMOVES ALL PATHOGENS. 99.9% of viruses (e.g. rotavirus, norovirus, hepatitis A), 99.9999% of bacteria (e.g. E. Coli, salmonella, dysentery), and 99.9% of protozoan cysts (e.g. giardia, cryptosporidium, amoebae)
- FILTERS particulates (e.g. sediment, microplastics) and adsorbs volatile organic compounds (VOCs), PFAS, chemicals, pesticides, herbicides, heavy metals, flavors and odors
- UNRIVALED EASE & SPEED. Effortlessly purifies 16.9 oz (500ml) of water in as quick as 10 seconds. Requires no setup time, pumps, hoses, sucking straws, batteries, chemicals, or prolonged waiting
- MAKES WATER TREATMENT EASY. Simply Fill. Press. Drink! 'Fill' water filter bottle from any river, faucet or fountain, 'press' on a low surface (e.g. ground), then 'drink' clean water anywhere in the world
Brand: GRAYL
Special Feature: Electrolyte & Sport Drink Mix Ready
Product Dimensions: 2.95"L x 2.95"W x 9.75"H
Material: Polypropylene
Capacity: 16.9 Fluid Ounces
Included Components: Cap, Inner Press, Outer Cup, One-Way Drink Mix Valve, Purifier Cartridge
Package Information: Bottle
Installation Type: Freestanding
Purification Method: Electroadsorption, Activated Carbon
Power Source: Manual
Brand: GRAYL
Special Feature: Electrolyte & Sport Drink Mix Ready
Product Dimensions: 2.95"L x 2.95"W x 9.75"H
Package Information: Bottle
Installation Type: Freestanding
Power Source: Manual
Item Weight: 12.5 Ounces
Model Name: UltraPress® Water Filter & Purifier Bottle
Maximum Flow Rate: 3 Liters Per Minute
Supported Water TDS Level Maximum (PPM): 300
UPC: 850015512452
Global Trade Identification Number: 52
Manufacturer: GRAYL
Part Number: 500-ODG
Item Weight: 12.5 ounces
Item model number: 500-ODG
Is Discontinued By Manufacturer: No
Size: 473 ml
Color: Olive Drab
Item Package Quantity: 1
Cutting Diameter: 2.95 Inches
Special Features: Electrolyte & Sport Drink Mix Ready
Batteries Included?: No
Batteries Required?: No
Warranty Description: All new purchases from authorized GRAYL retailers are accompanied by a ten year warranty covering workmanship and materials.
Assembled Diameter: 2.95 Inches
Date First Available: February 1, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Mar 15 – Mar 23
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Olive Drab
Very awesome one not just for traveling but also in a daily base use if you don’t want to pay for less clean bottled water. Works a little hard at the beginning then it goes well a specially if you remove silicone part from the bottom ;). Better than Grayl GeoPress- the bigger one- impossible to filter by the woman because it’s so hard to push it down. This one is nice weight and easy to use.
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Reviewed in the United States on December 7, 2025 by Anna
Color: Olive Drab
Original review: I really want to love this water bottle, but I just can’t. To be fair, my use-case is slightly different than what it’s advertised for. The tap water where I live is gross and chemically, so I only drink filtered water. I have a “zero water” filter at home that I love, but I got tired of carrying around a giant jug of water every day. Then I saw this and figured that the ability to filter water anywhere was worth the price premium. The pros: it does filter water. Pretty easily too. It doesn’t taste as good as the water from my filter at home, but it’s probably 90% as good and that’s fine with me. It’s also constructed nicely and feels solid and rugged in the hand. Swapping filters is also easy, and the one way valve that allows me to add sports drink powder without damaging the filter is a pretty smart feature. The cons: this might seem nitpicky to most, but it bothers me that the cap for the drinking spout doesn’t have anything attaching it to the lid. So if you were using this outdoors (which is the use it’s advertised for) and you accidentally drop the cap and lose it, then you completely lose the ability to seal it. You also can’t open and drink from the bottle with one hand because there’s nothing holding the cap on. This seems like such an unnecessary problem for a premium bottle like this. Also it leaks... Kinda. You HAVE to keep it right side up at all times, because if you lay it on its side then it leaks water. Which means you can’t just toss it in your bag or on the car seat without getting everything wet. Basically when you put water in the outer cup and then press the inner cup down to filter it, there’s still some water left over in the outer cup. I’m not sure if this was done intentionally so that the filter doesn’t get crushed/cracked by pushing too hard, or if it’s a limitation of the filter itself, but there’s always about 1-2 ounces of dirty water left in the outer cup. There’s a small seal around the top of the inner cup to prevent that water from seeping out when the bottle is on its side, but it’s not effective. So whenever I filter water, I then immediately remove the inner cup and dump out the excess dirty water and put the inner cup back in, which solves that problem. But I have to completely remove the drinking cap to allow the pressure to equalize, again increasing the risk of losing the cap. So overall, I’m probably still going to use this bottle all the time to have access to clean water. Because I’d rather deal with these minor inconveniences than have to carry around a large jug all the time. But if I ever lose the cap I’m going to be furious. Because having to spend another $90 on a new bottle because a $1 piece fell off is going to be a tough pill to swallow. Also it’s really tall, so I can’t put it in the cup holders in my car because then it blocks the shifter (it’s a manual transmission). I’m not dinging this product for that though because that’s a specifically “me” problem. Just something to note. Edit: my original review was after about 4-5 days of use. It’s been another week or so since then and the leaking issue has gone away. I’m not sure if it just needed to break in or if I was doing it wrong at first, but it’s all good now. I still wish that the drinking cap was attached to the bottle, but I don’t think it bothers me enough to knock off a star. Maybe it’s like a 4.5 now, but I’ll round up. Also the taste has improved over the last couple weeks, and I can now have tasty clean water everywhere!
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Reviewed in the United States on April 23, 2025 by Sam Sam
Color: Olive Drab
this is a great bottle! i used this for 3 months while i was in India and never got sick
Reviewed in the United States on December 16, 2025 by Jason T Walters
Color: Olive Drab
Absolutely can not go wrong with this. Light weight, durable. 16.9 is accurate. No funny taste (always add iodine anyway) but also the neutralizer just in case. Crypto is no joke, but I feel confident in this system.
Reviewed in the United States on August 21, 2025 by Dylan Andre
Color: Olive Drab
It's just the right size to fit in the bottle carrier on my backpack. I specifically used this to filter free ice water from shops in Thailand. Specifically water borne illness occurs frequently when shops offer free water. Simply filtering it with the Grayl took any uncertainty regarding drinking water. Sure filtered water bottle is cheap, but it's plastics for the environment. The simple filtration method made it easy to carry around and I always had clean fresh water in my pack. I haven't gotten sick. But if you use it for just the hotel to improve the drinking water when you make your pourover (you need to make your own coffee because in Thailand most good coffee shops don't open until noon), you shall misplace the cap. I would like to see future designs with a cap-loop to hold it in place so you don't lose it. I put the cap in one of my bags for safe keeping and ended up losing it for 30 days until I found it when unpacking everything back home. Otherwise great travel product.
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Reviewed in the United States on January 29, 2026 by styledliving
Color: Olive Drab
Top of the line portable emergency water filtration
Reviewed in the United States on February 19, 2026 by dsclatt
Color: Olive Drab
Great product, saved my from getting any issues when going to the Dominican Republic and later to the Philippines.
Reviewed in the United States on July 26, 2025 by steven
Color: Olive Drab
The Grayl UltraPress works as advertised. It does take some pressure to filter the water, but definitely worth the effort to get clean, drinkable water. I’ll be traveling in Europe next month, we’ll see how it does there. First impressions are very good though.
Reviewed in the United States on July 2, 2025 by SK