Keep your GeoPress purifying
This is the genuine Grayl replacement cartridge for the GeoPress Purifier bottle. When your press time starts creeping up, a fresh cartridge restores the fast, clean pour that makes the GeoPress a favourite for expedition, prepping and overseas travel.
Serious purification, not just filtration
Where a standard filter only tackles bacteria and protozoa, this purifier cartridge removes 99.99% of viruses, 99.9999% of bacteria and 99.99% of protozoan cysts, defending against threats such as Norovirus, Hepatitis A, E. coli, Giardia and Cryptosporidium.
Cleaner water, better taste
Ion exchange combined with ultra-powdered activated carbon adsorbs many chemicals, pesticides and heavy metals, along with sediment and microplastics. It also strips out flavours and odours, so treated water tastes noticeably fresher.
Long life and easy planning
Each cartridge is good for up to 350 presses or 250 litres, and a sealed spare stores for around 10 years. That makes it easy to keep one in your grab bag or expedition kit, ready to swap in the field with no tools.
Ideal for the field and travel
Whether you are on a multi-day exercise, travelling off the beaten track or building a resilient emergency kit, a spare cartridge is cheap insurance. Keep your GeoPress performing at its best wherever clean water is not guaranteed.














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