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Grayl  |  SKU: GRAYL-500-MRR

Grayl - 16.9oz UltraPress Purifier - Nature Series

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Description

UltraPress just got an upgrade! All bottles now come with a pre-installed One-Way Valve, allowing you to add electrolytes, drink mixes, and other flavored liquids directly to your UltraPress.

 

 

Overview:

Drink-Mix & Electrolyte Ready! Compact, discreet, and incredibly easy to use, the UltraPress® Covert Edition fits in any pack pocket or cup holder. With no setup required, it purifies 16.9 ounces of water in a blazing fast 10 seconds (3L/min). Perfect for hikers, backpackers, hunters, or global travelers looking for stealthy, on-the-go water purification.

 

 

Features:

  • Compact and easy-to-use design fits in any pack pocket or cup holder, requiring zero setup and providing clean water in just 10 seconds (3L/min).
  • Award-winning OnePress® global protection is effective on all 7 continents, letting adventurers safely drink from challenging freshwater sources worldwide. Simply — Fill. Press. Drink.®
  • Removes waterborne pathogens including viruses (e.g., Rotavirus, Hepatitis A, Norovirus), bacteria (e.g., E. coli, Cholera, Salmonella), and protozoa (e.g., Giardia, Cryptosporidium).
  • Ultra-powdered activated carbon filters sediment, microplastics, and adsorbs chemicals (PFAS, VOCs), pesticides, heavy metals, flavors, and odors.
  • Replaceable purifier cartridge rated for 300 cycles (40 gallons / 150 liters).
  • RiverFlow® spout delivers fast-flowing, clean drinking water for easy chugging or filling hydration reservoirs.
  • FlipCarry® handle rotates 90° for easy separation (Inner Press from Outer ReFill) and convenient carrying; provides a large pressing surface when flat.
  • Multi-functional SimpleVent® drink cap vents air during filtration and prevents cross-contamination of the spout.
  • SoftPress® ergonomic comfort pad offers a non-slip, fatigue-resistant pressing surface.
  • TPE TopoGrip® on heavy-use surfaces for tactile, non-slip performance and durability.

Tech Specs:

  • Capacity: 16.9 fl oz (500 ml)
  • Weight: 12.5 oz (354 g)
  • Height: 9.75" (24.77 cm); Diameter: 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/min)
  • Removes: 99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts, including Rotavirus, Hepatitis A, Norovirus, Giardia, Cryptosporidium, E. Coli, and more.
  • Filters: Sediment, microplastics; activated carbon adsorbs PFAS, VOCs, pesticides, herbicides, heavy metals, flavors, and odors.
  • Durability: Built tough to withstand 10 ft drops onto concrete when full.
  • Cartridge Lifespan: 300 presses (150L/40 gal); replace when press time reaches ~25 seconds or after three years of use.
  • Cartridge Shelf Life: Unopened cartridges last up to 10 years; after use, lasts at least 3 additional years.
  • Materials: BPA-free polypropylene #5, food-grade silicone, TPE, ABS food-grade plastic.
  • Testing Standards: Certified to meet/exceed NSF/ANSI protocols 42 and 53 for pathogen, chemical, and sediment removal; EPA certified for microbiological water purifiers.
  • Origin: Designed in USA. Cartridge media made in USA. Purifier bottle manufactured in China.

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Frequently Asked Questions

How does the Grayl UltraPress Purifier work to make water safe to drink?

Yes, the UltraPress Purifier is designed with a pre-installed One-Way Valve that allows you to add electrolytes and drink mixes. This feature enables you to enhance your hydration without compromising the filtration process. However, it's important to ensure that the purifier is thoroughly cleaned after use with flavored liquids to maintain its performance. For more on hydration strategies, explore our Hydration Products collection.

Can the UltraPress Purifier be used with flavored drinks or electrolytes?

Yes, the UltraPress Purifier is designed with a pre-installed One-Way Valve that allows you to add electrolytes and drink mixes. This feature enables you to enhance your hydration without compromising the filtration process. However, it's important to ensure that the purifier is thoroughly cleaned after use with flavored liquids to maintain its performance. For more on hydration strategies, explore our Hydration Products collection.

What is the lifespan of the Grayl UltraPress Purifier cartridge?

The purifier cartridge is designed to last for 300 cycles, equivalent to about 40 gallons or 150 liters of water. You should consider replacing the cartridge when the press time significantly increases, reaching approximately 25 seconds, or after three years of use. Proper maintenance and timely replacement are crucial for ensuring the effectiveness of the filtration system. For more on maintaining water filtration systems, check out our Water Filter Refills page.

Is the Grayl UltraPress Purifier suitable for international travel?

Yes, the Grayl UltraPress Purifier is ideal for international travel due to its ability to remove waterborne pathogens found globally. Its compact design makes it easy to carry, fitting into any pack pocket or cup holder. This makes it perfect for adventurers who need reliable water purification across different continents. For tips on travel preparedness, visit our Travel Preparedness Guide.

How does the UltraPress Purifier handle chemical contaminants?

The UltraPress Purifier uses ultra-powdered activated carbon to adsorb a variety of chemical contaminants. This includes PFAS, VOCs, pesticides, herbicides, and heavy metals, ensuring the water is not only safe but also free from unpleasant tastes and odors. While effective, it's important to note that the purifier is not designed for desalination or removing salt from seawater. For more on chemical water treatment, see our Chemical Water Purification Guide.

What is the best way to clean and maintain the Grayl UltraPress Purifier?

Regular cleaning of the Grayl UltraPress Purifier is essential to maintain its performance. After each use, especially when using flavored drinks, rinse the bottle and cartridge with clean water. Avoid using soap on the cartridge to prevent residue build-up. For long-term storage, ensure the cartridge is dry to prevent mold growth. For more tips on water system maintenance, explore our Complete Emergency Water System Guide.

Can the Grayl UltraPress Purifier be used in urban environments?

Yes, the Grayl UltraPress Purifier is suitable for urban environments where water quality may be compromised. It effectively removes pathogens and chemical contaminants that can be present in urban water sources. This makes it a versatile tool for both outdoor adventures and emergency preparedness in cities. For more on urban survival readiness, check out our Urban Survival Readiness Guide.

What are the limitations of the Grayl UltraPress Purifier?

While the Grayl UltraPress Purifier is highly effective against a wide range of contaminants, it has its limitations. It is not designed for desalination, so it cannot be used to purify saltwater. Additionally, the purifier's efficiency decreases as the cartridge nears the end of its lifespan, indicated by longer press times. Regular maintenance and timely cartridge replacement are essential to ensure optimal performance. For a comprehensive understanding of water purification methods, visit our Water Filtration Brand Comparison.

How does the UltraPress Purifier's design enhance its usability?

The UltraPress Purifier features a compact and ergonomic design that enhances usability. Its FlipCarry handle and SoftPress ergonomic comfort pad make it easy to carry and use, even during long treks. The SimpleVent drink cap ensures air vents during filtration, preventing cross-contamination. These features make it an excellent choice for both seasoned adventurers and those new to water purification. For more on essential gear for outdoor adventures, see our Everyday Carry Essentials guide.

Is the Grayl UltraPress Purifier durable enough for rugged use?

Yes, the Grayl UltraPress Purifier is built to withstand rugged use, including drops from up to 10 feet onto concrete. This makes it suitable for challenging environments where durability is crucial. Its BPA-free polypropylene construction ensures it remains lightweight yet robust, ideal for both urban and wilderness settings. For more on selecting durable gear for survival, consider our Tactical Survival Gear Guide.