Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Purifying Press View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Separated View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Purifying Press View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Separated View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Purifying Press View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Separated View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition /  Purifying Press View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert  Edition / Separated View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Purifying Press View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Separated View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Desert Tan
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Purifying Press View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Separated View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Coyote Brown
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Purifying Press View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Separated View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Olive Drab
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Standard View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / FlipCarry Handle Up View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition /  Purifying Press View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert  Edition / Separated View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Spout Cap Off View / Covert Black
Best top rated Grayl UltraPress Filter and Purifier Water Bottle – 16.9 Fluid Ounces / Covert Edition / Backside View / Covert Black

16.9oz UltraPress® Purifier - Covert Edition

Regular price $89.95 Save $0.00
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403 in stock

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. 

UltraPress Covert Edition
OVERVIEW
Drink-Mix & Electrolyte Ready! Compact, discrete, and ridiculously easy to use — the UltraPress® Covert Edition fits into any pack pocket (or cup holder), requires zero setup, and makes 16.9 ounces of clean purifier water in a blazing fast 10 seconds (3L/min). Stealth on-the-go filtration and purification for the hiker, backpacker, hunter, or global adventurer seeking discretion and fast-flow purified water for drinking, filling hydration reservoirs, or cooking.
FEATURES
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TECH SPECS
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WE HAVE YOU COVERED
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Fill with water from a fresh water source.
Vent spout cap 1/2 turn.
Press with ease.
Drink clean purified water.
FILL. PRESS. DRINK. One-Press Global Purification.

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

Separate Inner Press from Outer Cup.

01 ROTATE & PULL APART

Fill with dirty water.

02 FILL WITH DIRTY WATER

Vent spout cap 1/2 turn and press.

03 VENT & PRESS

Drink clean, purified water.

04 DRINK PURIFIED WATER

ONE-WAY VALVE.
ELECTROLYTE AND
DRINK-MIX READY.

ADD AN EXTRA CARTRIDGE AND VALVEBy Clicking the Link
UltraPress Cartridge with One-Way Valve pre-installed.
Now you can use electrolytes and drink mixes with the One-Way Valve installed.
Try mocktails, cocktails, seltzer, electrolytes, drink mixes, and beer in your Grayl with One-Way Valve installed.
User testimonial / review. Grayl is great for fishing in Colorado.
Filling from a river with the UltraPress® Filter & Purifier by Grayl.
Enjoy a drink break on a hot day with the UltraPress by Grayl.

LIGHTWEIGHT KIT.
CARRY EMPTY.

SHOP BOTTLELOCK HIP PACKSBy Clicking the Link
Clean water is paramount in survival situations. Try the UltraPress Filter & Purifier by Grayl.
Compact for every activity.

COMPACT
FOR EVERY
ACTIVITY.

Take a closer look at the parts of an UltraPress Filter & Purifier.

DRINK CAP

UltraPress® Drink Cap

INNER PRESS

UltraPress® Inner Press.

OUTER CUP

UltraPress® Outer Cup.
View the UltraPress® Quickstart Guides.
Slideshow Link

QUICKSTART GUIDES

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

Looking for a larger capacity bottle?

24oz GEOPRESS

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UltraPress Covert Edition FAQ
faq
How long does a Grayl Filter & Purifier cartridge last?
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How do I know when it is time for a new cartridge?
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What is the shelf life of a cartridge?
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What type of water does Grayl filter and purify?
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How does Grayl filter and purify water?
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How do I avoid cross contamination?
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How do I store my Grayl? And how often do I need to clean it?
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Can I add electrolytes or other flavoring into UltraPress® after I filter and purify?
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What is the difference between the UltraPress and the GeoPress?
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What materials are Grayl Filter & Purifier bottles made from?
And where are the products made?
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