Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Standard View / Forager Moss
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Standard View / Forager Moss
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Separated View / Forager Moss
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / FlipCarry Handle Up View / Forager Moss
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Purifying Press View / Forager Moss
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Spout Cap Off View / Forager Moss
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Backside View / Forager Moss
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Standard View / Forest Blue
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / FlipCarry Handle Up View / Forest Blue
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Purifying Press View / Forest Blue
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Separated View / Forest Blue
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Spout Cap Off View / Forest Blue
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Backside View / Forest Blue
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Standard View / Mojave Redrock
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Separated View / Mojave Redrock
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / FlipCarry Handle Up View / Mojave Redrock
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Purifying Press View / Mojave Redrock
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Spout Cap Off View / Mojave Redrock
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Backside View / Mojave Redrock
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Standard View / Camp Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Separated View / Camp Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / FlipCarry Handle Up View / Camp Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Purifying Press View / Camp Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Spout Cap Off View / Camp Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Nature Edition / Backside View / Camp Black

16.9oz UltraPress® Purifier - Nature Edition

4.8 out of 5 star rating
4.8
427 Reviews
Regular price$89.95
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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. 

Overview

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.
  • Replaceable purifier cartridge rated for 300 cycles (40 gal. / 150L).
  • RiverFlow® spout delivers a fast-flow of clean drinking water for chugging, filling hydration reservoirs and other bottles.
  • FlipCarry® handle rotates 90° for effortless separation (Inner Press from Outer ReFill) and easy carrying; provides a large pressing surface when flat.
  • Multi-functional SimpleVent® drink cap vents air (by twisting cap ½ turn) during purification and filtration; protects spout from cross-contamination.
  • SoftPress® ergonomic comfort pad (on drink cap) provides for non-slip, anti-fatigued pressing.
  • TPE TopoGrip® placed on all heavy use surfaces for tactile, non-slip performance and durability.
  • Capacity: 16.9 fl oz (500 ml)
  • Weight: 12.5 oz (354 g)
  • Height: 9.75" (24.77 cm)
  • Diameter (at base): 2.95” (7.5 cm)
  • 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 (including PFAS & VOCs), pesticides, herbicides, heavy metals, flavors and odors.
  • Durability: built tough to perform in harsh conditions and 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.
Fill with dirty water.
Vent Spout Cap 1/2 turn.
Press with ease.
Drink clean purified water.
Fill. Press. Drink. 10 Second One-Press Purification.

FILL. PRESS. DRINK.
ONE-PRESS. 10 SECONDS.

Virtually no setup time, and fast performance, UltraPress® purifies and filters contaminated water in 10 seconds (3 liters per minute) from any water source. From adventure travel to survival make the world’s sketchiest freshwater sources clean to drink from.

Separate the Inner Press from the Outer Cup.

01 ROTATE & PULL APART

Grasp the Inner Press with one hand and the Outer Cup with the other, then pull apart. A quick twist helps to initiate separation.

Fill with dirty water.

02 FILL WITH DIRTY WATER

Fill from a stream or lake, or from any bathroom sink or rustic hostel tap.

Vent spout cap 1/2 turn and press.

03 VENT & PRESS

Twist the SimpleVent® cap 1/2 turn to allow air to vent during purification process. Utilizing your body weight, press with steady downward force.

04 DRINK PURIFIED WATER

Fast and easy; makes safe drinking water in 8 seconds - anywhere!

ONE-WAY VALVE.
ELECTROLYTE AND
DRINK-MIX READY

The silicone One-Way Valve prevents liquid from reversing direction and flowing back into the filter Cartridge. Allowing the use of electrolytes, drink mixes, and other beverages with your Grayl UltraPress® Filter & Purifier Bottle.

ADD AN EXTRA CARTRIDGE AND VALVEBy Clicking the Link
UltraPress Cartridge with One-Way Valve for drink mixes and electrolytes.
UltraPress Cartridge and One-Way Valve for Electrolytes.
Use your favorite electrolytes or drink mix with your Grayl UltraPress w/ pre-installed One-Way Valve.
User testimonial. Great for camping and hiking.
Press and purify on the trail with UltraPress.
Bring world-class purification with you anywhere you go.
Try our BottleLock hip pack for a perfect carry fit for your Grayl UltraPress.

LIGHTWEIGHT KIT.
CARRY EMPTY.

Bring the UltraPress® along for the ride as your empty lightweight vessel. There is no need to carry along a bottle thats heavy and filled to the top. Just Fill. Press. Drink. and be on your way with your empty Grayl.

SHOP BOTTLELOCK HIP PACKSBy Clicking the Link
User testimonial. Great for travel to Nicaragua.
UltraPress is compact for any activity.

COMPACT
FOR EVERY
ACTIVITY.

This reliable all-day companion is designed to keep up with your active lifestyle, fitting effortlessly into any pack pocket with its compact 16.9 fluid ounce size. Stay hydrated on the go with each river fill-up, and savor the taste of the water at your feet with UltraPress®.

Take a closer look at the parts of an UltraPress.

DRINK CAP

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.

SoftPress®
Comfortable pressing pad provides for an ergonomic, non-slip large pressing surface.

FlipCarry®
Rotates 90° allowing for easy carry and effortless separation of Inner Press from Outer Cup.

UltraPress Drink Cap.

INNER PRESS

16.9 fl oz (500 ml) of clean, filtered and purified water. NOTE: Dirty water never enters the Inner Press.

Filters & purifies 10 seconds per 16.9 fl oz (3 liters/minute). 300 presses (150L/40 gal)
Removes viruses plus bacteria and protozoa. Improves taste, smell and clarity. Filters microplastics, PFAS, and lead.

UltraPress Inner Press.

OUTER CUP

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. 16.9oz (500ml).

Non-Slip Base
Soft, non-slip base provides durable protection.

UltraPress Outer Cup
UltraPress Visual Quickstart Guides.

QUICKSTART GUIDES

Need to know more? Get to know the GeoPress® Purifier with our Quickstart Guides.

FAQ

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 components, 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.

Grayl® filter and purifier bottles are made from: BPA-free polypropylene #5, food-grade silicone, TPE and ABS food-grade plastic. Our products are designed in Seattle, Washington, and manufactured by our partners in China with the exception of our cartridge media which is produced in the United States.

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Based on 427 Reviews
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Cecilia B.
Verified Buyer
5 star rating
I took my ultrapress purifier
I took my ultrapress purifier bottle to South America. I would recommen it 100 %.
Would you recommend?:Yes,
How do you use your Grayl?:Travel
02/19/24
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Michael R.
Verified Buyer
5 star rating
Great product
Great product
Would you recommend?:Yes,
How do you use your Grayl?:Emergency Kit
02/18/24
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Gary C.
Verified Buyer
5 star rating
Initial impression is Good!
Have only been using the Grayl for ~1 week in Hawaii filtering mostly well water, but one person in our party got sick and we didn’t so I take that as a big positive! I’ve gone through around 2-3 dozen cycles and didn’t have any issues pressing the water
Would you recommend?:Yes,
How do you use your Grayl?:Travel
02/16/24
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Josh
5 star rating
Most convenient bottle for International Travel
I bought this bottle in advance of 6 months of travel. I thought it would be really great to stop needing to pack a bunch of water bottles or have to use a pump, especially in developed but questionable water areas in Asia. I also thought it would be
Would you recommend?:Yes,
How do you use your Grayl?:Travel
02/16/24
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John C.
Verified Buyer
4 star rating
In general I really like
In general I really like the Grayl press. I took it to Africa with me in 2022 and pressed all of my water through it while on the trip. My wife is going with me this year and we purchased her a Grayl as well. The only thing I wish they did differently
Would you recommend?:Yes,
How do you use your Grayl?:Travel
02/14/24
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