GEOPRESS Replacement Purifier Cartridge
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Why We Like The GRAYL GEOPRESS Replacement Purifier Cartridge
When our GRAYL GEOPRESS starts to take 30 seconds to filter, we bring it back up to speed with a GEOPRESS Replacement Purifier Cartridge. This filter uses electroadsorption and activated carbon to turn any freshwater in our path into clear, clean drinking water, ensuring we stay hydrated on our multi-day treks.
Details
- Replacement filter for the GRAYL GEOPRESS
- Filters 24oz of water in just 8 seconds
- Boasts a lifespan of up to 350 cycles for longevity
- Removes viruses, chemicals, particulates, flavors, and odors
- Replace cartridge when press time reaches 25 - 30 seconds
- Item #GYLA00I
- Material
- ABS food-grade plastic, food-grade silicone
- Purifying Element
- electroadsorption, ultra-powdered activated carbon
- Eliminates
- 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; particulates (i.e. silt, microplastics, etc.); activated carbon effectively adsorbs chemicals, pesticides, heavy metals, flavors, and odors
- Filter
- electroadsorption, ultra-powdered activated carbon
- Cartridge Life
- 350 cycles (65gal/250L)
- Action
- press
- Flow
- 8sec/24oz (5L/min)
- Field Cleanable
- yes
- Includes
- carbon element
- Dimensions
- 2.9 x 3.1in
- Claimed Weight
- 3.8oz
- Manufacturer Warranty
- 1 year
- Activity
- hiking, backpacking, travel, camping
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 258 ratings
Review Summary
Customer Images
Here's what customers have to say
This water purifier is praised for its ease of use, reliability, and effectiveness in filtering contaminants. It is described as durable, well-designed, and versatile for outdoor activities and travel. Customers appreciate the included replacement cartridges and responsive customer service. Some minor drawbacks include the filter needing replacement after a certain usage and occasional leakage, but it is widely recommended as an excellent water filtration solution.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageOctober 8, 2025
compact reliability
been using Grayl for safe drinking water for a couple years and have found nothing better. the compact filter allows me to keep extra in my go bag at all times.
Originally reviewed on GRAYL
October 6, 2025
Great water
I was pleasantly surprised by the taste of the water after using the GrayL. The water out of some of the swamp holes that it have used other purification systems withe was completely different.
Originally reviewed on GRAYL
October 4, 2025
Haven’t had a chance
Haven’t used it yet to give it five stars but everyone I know loves it.
Originally reviewed on GRAYL
September 1, 2025
Poor Sediment filter
It definitely does not filter out chlorine from a municipal water source! I tested the water before and after filtering with litmus paper. Still had a high level of chlorine. So I was curious and just put a little dirt in a bucket of water and tried pressing it. Definitely not as clear as the videos! If you notice, they are 99% getting clear water, from a clear stream…. If it doesn’t filter sediment that well, I’m sure it’s not gonna filter out bacteria, protozoan, and viruses! I work overseas and I’m not depending on this thing to keep me healthy!! Who tested this??? Lol
Originally reviewed on GRAYL
August 30, 2025
Great bottle!
We just used these bottles in Tajikistan on a 5 day trek through the Fann mountains. We loved how quick and easy they were to use! Highly recommend.
Originally reviewed on GRAYL
August 26, 2025
Grayl is super easy to use and convenient
The Grayl filter was key for our 100% success rate on our trip to K2 Base camp in Pakistan- kept our whole group healthy, hydrated and happy!
Originally reviewed on GRAYL
August 9, 2025
When clean drinking water is needed NOW.
Our Grayl system has become our go to water purification system for individual and small group planning on our trips. I like being able to use just about any water source without hesitation to produce drinking water. We recently had a person fall out from heat exhaustion and we were able to setup a water team to keep producing clean water from the bitter, sulfur flavored well water that was available. Being able to make clean tasting water was important, got the person to keep drinking water and electrolyte mixes. The Grayl is our 'make water and pour into other containers' system (so no food contaminates in it). The Grayl was quick enough to train a new person on and get them pumping out the clean water which let our first responder stay on scene with our person in distress. Individual's recovery was successful.
Originally reviewed on GRAYL
August 3, 2025
I mean- drink water from
I mean- drink water from the creek and rivers and lakes safely… what more is there to say.
Originally reviewed on GRAYL
August 2, 2025
Great filter
Great product and works as advertised, very pleased.
Originally reviewed on GRAYL
July 30, 2025
Fine ok good , time will tell
It may work in storage as replacement I'll let you know in 10 years.
Originally reviewed on GRAYL
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