Virtually no setup time, and fastest performance, GeoPress® purifies and filters contaminated water "fast & easy" at 5 liters p/minute from virtually any freshwater source. From adventure travel to survival, make the world’s sketchiest freshwater sources clean to drink from.
An included One-Way Drink Mix Valve prevents water from reversing direction and flowing back into the filter Cartridge. Allowing the use of electrolytes and drink mixes, a feature unavailable in any other drink-thru filter bottle.
Bring the GeoPress® along for the ride with any of our hip packs that feature our BottleLock® storage system for carrying any water bottle or essential gear.
SHOP HIP PACKS TO CARRY GEOPRESS®By Clicking the Link
The river’s at your feet... Taste it! GeoPress® is your all-day companion with the capacity to keep you hydrated with a simple backcountry fill-up.
RiverFlow® Spout
A wide contoured spout delivers a fast flow of water.
SimpleVent®
Twist the cap 1/2 turn to vent air during purification process.
Large Carry Handle
Big enough for two-finger carry, or to carabiner it to your pack.
SoftPress®
Comfortable pressing pads provide for an ergonomic, non-slip large pressing surface.
Holds 24 fl oz (710 ml) of clean, filtered and purified water. NOTE: Dirty water never enters the Inner Press.
Filters & purifies 8 seconds per 24 fl oz (5 liters/minute). 350 presses (250L/65 gal).
Removes VIRUS plus bacteria and protozoa. Improves taste, smell and clarity. Filters microplastics, chemicals, and heavy metals.
TopoGrip® Surfaces
Durable, tactile non-slip grip material placed on all heavy use surfaces.
Max Fill Line
A maximum fill line is located on the backside of the Outer Cup.
Non-Slip Base
Tactile, non-slip base provides durable protection.
To maximize the lifespan of a cartridge, always choose the clearest water. GeoPress® cartridges deliver ~350 cycles (250 liters / 65 gallons) while UltraPress® offer ~300 cycles (150 liters / 40 gallons). Water quality matters; avoid silt and sediment. Preemptively filter out silt and sediment with a handkerchief or t-shirt to extend the life of a cartridge.
The time it takes to press with your GeoPress® or UltraPress® will gradually increase over time. We recommend replacing the cartridge once the 'press time' reaches approximately 25 seconds (or three years have passed since the first use). Please note that colder water may require longer pressing time and does not necessarily mean the cartridge needs to be replaced.
An unused and airtight cartridge can be stored for up to 10 years. Once opened, use it for 3 years or until press time is ~25 seconds.
GeoPress® and UltraPress® cartridges filter and purify most freshwater sources. Avoid using them with salty or brackish water. When treating freshwater, start with the cleanest water available, such as streams and rivers.
Grayl's activated carbon effectively adsorbs many chemicals, pesticides, herbicides, heavy metals, etc. However, it is not designed for industrial disasters, coal ash spills, high lead levels, mercury, nuclear disasters, high tannin concentrations, or water with toxic blue-green algae (e.g. cyanobacteria). Find another water source in those situations.
Grayl® cartridges contains non-woven ceramic fibers that have a high electropositive charge. These fibers effectively block and trap microorganisms and particulates, ensuring that submicron contaminants are removed through electroadsorption. Additionally, the cartridge is equipped with ultra-powdered activated carbon, which efficiently adsorbs chemicals, heavy metals, bad flavors, and odors.
To avoid contamination, use the Spout Cap. If dirty water comes in contact with the Inner Press, wash the Grayl (not the cartridge) with soapy water and rinse thoroughly. Alternatively, dilute contaminants by pressing and agitating water through a GeoPress® or UltraPress® purifier bottle 5-7 times.
Proper maintenance for your GeoPress® or UltraPress® is crucial for optimal performance. After your adventures, ensure to follow these simple steps to keep your purifier in top shape. Start with a 'dry press' by pressing the wet purifier into the empty Outer Cup and disposing of excess water. Next, remove the cartridge and allow it to air-dry for 2-4 days. For the remaining parts, hand wash them with warm, soapy water and let them air-dry. To maximize the lifespan of the cartridge, store the unit assembled. With proper care, the cartridge can last up to three years.
Yes, experience the hydration benefits of electrolyte-infused water in a UltraPress® or GeoPress® when equipped with a One-Way Electrolyte & Drink-Mix Valve (available since April 2023).
Always add electrolytes into the clean drinking water side. Avoid adding flavoring or electrolytes directly into a cartridge not equipped with a One-Way Drink Mix Valve, as it can diminish the cartridge's lifespan and efficacy. In those situations, pour the clean drinking water into another water vessel and then add electrolytes or flavorings.
Size, capacity and weight! Both models offer the highest level of protection from waterborne pathogens (99.99% of virus, 99.9999% of bacteria, and 99.9% of protozoan cysts, including Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery). They also filter many heavy metals, chemicals, and microplastics.
GeoPress® filters and purifies 24 oz of water, ideal for individuals and groups looking for a high capacity. UltraPress® purifies 16.9 oz and is great for individuals with limited space or when traveling with small pack side pockets.
A GeoPress® is constructed from: BPA-free polypropylene #5, food-grade silicone, TPE and ABS food-grade plastic. The country of origin for the GeoPress bottle is Vietnam or China. The country of origin for the cartridge is the United States.
Overall rating: 4.824329 / 5 from 3091 reviews.
The 24oz GeoPress® Purifier - Covert offers clean and purified drinking water quickly and conveniently. Customers praise its quality, taste, and design, noting it as a highly functional and worth every penny product.
Review topics: ["fit","size","model","issues","weight","bag","functionality","materials","performance","quality","looks","value","color","design","durability","feels","improvement","construction","customer service","pack","capacity","build","results","price","grip","plastic","volume","works","charge","top"].
"One of the best purchases I’ve made in a while. Just got back from a fly fishing trip out west where we fished the south fork of the snake, silver creek, and wind river canyon. It was nice to just refill my bottle any time I needed to trip on water tethering than having to go to the truck for it. I was filling up everyone else’s bottle to the point I think I am buying all my friends one"
"I really like this product, easy to use and the water comes out clean and tasting great. I tested it in a trailside puddle alongside a logging road and it worked great! My only concern is that it can be a little difficult to get apart and push down, Not for me but for my wife who is much smaller. Other that that I love it,"
"I typically write my reviews based on reward systems from manufactures/sellers. However, I decided to go forward and write a short one on this cup. Overall, the cup is fairly nice. Some mild taste to the water, but not terrible like others I have tried. I really like the one way valve that comes with this item. I do wish I would have spent the little extra and got the new version so I could boil some water in it. I think that cup would be a great cup to review. The instructions are relatively easy. Fill the cup, apply steady consistent pressure, and then you have a small cup of filtered water afterwards. The green color I ordered, I really like. It has blended in with the rest of my gear and has found a home on the bag for the time being. The cup is a little pricey for what it is, but so far it has good results. I hope to one day try the titanium version."
"So as I was checking out the total said $76. 38 so I proceeded to push the ok to buy I got 2 notice from my credit card company say charged for $76. 38 then another one of $78. 16 so I look on my statement and it says Grayl charged me twice and then refund me the $76. 38 but charged me the higher price of $78. 16. so why the bait and switch? say one thing do the other?"
"Pressing down and pulling out to refill. It can be tough, requiring a little extra strength pulling out, pressing down not too bad. But when pulling out to refill, can be strong 💪 to pull out. I mean great product and concept. But I wouldn’t buy again, sorry. Do to being hard to pull out to refill."
"The bottle itself is built very well, and the filtered water tastes good, mostly flat, but slightly mineralized depending on where you live. My only issue is that it’s very hard to pull the filter out after drinking the filtered water because of the vacuum effect and the tight gaskets. Technically, those components are doing their job well by preventing leaks, but I wish the designers had included a release mechanism to improve the overall user experience."
"Geopress is as described. Very good quality. The instructions were easy to follow. Have been using it for the past five days. Water taste better after filtering through Geopress. Would buy another one. Would give it as a gift as well."
"I bought two because we’re visiting India, Nepal, and four other countries in that region. I can’t afford to get sick on this trip, especially with my 9-year-old. So I researched water purification options and found Grayl. I’m trusting that it works. So far I’ve pressed about 10 times. To test it, I tried filtering the milky water left after washing rice. To my surprise, it came out clear. But my next press was a challenge. After filtering that milky water once, the filter seemed shot. I’ve ordered another filter for the trip. Lesson learned: only use clear water. I’ll post a full review after 5 weeks of traveling."
"The bottle works great but when you're spending this much money and your order a white bottle it's VERY disappointing when it arrives and it's clearly drab grey. Not even close to white."
"My son and I spent a week backpacking on Isle Royale National Park in 95 degree weather so we gave our Grayl GeoPresses a pretty good workout. I also had a Sawyer mini but it never made it out of my pack. Eight seconds for each press and we had all the fresh water we needed. Other people saw what we had and they couldn't wait to get home to upgrade to Grayl. One filter lasted all week, all under 10 seconds for each press. Love my Grayl."
24oz GeoPress® Ti
24oz GeoPress®
16.9oz UltraPress® Purifiers
16.9oz UltraPress® Ti Purifier
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