Description
The Grayl UltraPress® Purifier Cartridge is a replacement purifier cartridge for the UltraPress® and Ultralight provide up to 300 cycles (40 gal. / 150L) of reliable water purification. While performance may decrease with water rich in silt, sediment, or tannins, the cartridge remains effective throughout its lifespan. As the cartridge nears its end, press times may lengthen to 25-30 seconds, signaling the need for replacement. Even with slower press times, the cartridge still offers strong protection, ensuring clean, safe water every use.
Features:
- Removes waterborne pathogens (virus, bacteria, protozoan cysts), including Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery and more
- Filters particulates (i.e. silt, microplastics, etc.); ultra-powdered activated carbon effectively adsorbs chemicals (including PFAS & VOCs), pesticides, heavy metals, flavours, and odours
- Improves taste, smell and clarity
Specifications:
- Active Technology: Electroadsorption and ultra-powdered activated carbon.
- Compatibility: works with UltraPress® One-Way Valve for electrolytes and sport drink mixes
- Chemical-free: Yes
- Size: 2.9" (7.3 cm) H x 2.7" (6.7 cm) W
- Weight: 2.8 oz (80 g)
- 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 (i.e. silt, microplastics, etc.); activated carbon effectively adsorbs chemicals, pesticides, heavy metals, flavours, and odours
- Compatibility: UltraPress® and Ultralight Purifier Bottle
- Fast Flow Rate: 10 seconds per 16.9 fl oz (3 litres/minute)
- Cartridge lifespan: rated for 300 cycles (40 gal. / 150L), 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 unused (and airtight) purifier cartridge has a shelf life of 10 years
- BPA-Free materials: made from ABS food-grade plastic and food-grade silicone
- Testing standards: independently tested by a certified laboratory to meet or exceed NSF/ANSI protocol 42 and 53 for pathogen and chemical removal; meets the the United States Environmental Protection Agency's Guide Standard and Protocol for testing microbiological water purifiers
- Origin: Designed in United States; purifier cartridge media made in United States; cartridge made in China
Base Camp Food is an official UK retailer for Grayl. View our complete Grayl range by clicking here.




