Replacementfilter for Grayl UltraPress

Unused, the filter keeps its function for over 10 years, after use up to 3 years or 250L. The filter is easy to change without having to change the bottle, saving both the wallet and the environment. Of course, the bottle is made of BPA free, food-grade material Grayl Ultrapress Purifier Bottle removes : 99.99% of all viruses, 99.9999% bacteria, 99.99% and 99.99% protozoa and removes microplastics, chemicals and heavy metals.