Seychelle ADVANCED Filters are tested to remove up to 99.99% of the following zones of contamination:
Aesthetic contaminants:unpleasant taste, odors, cloudiness, silt and chlorine
Chemical contaminants:VOC’s, toxic chemicals, trihalomethanes, PFOA, PFOS, PCB’s, glyphosate, herbicides, detergents, pesticides (DDT), benzene, atrazine and many more
Inorganic contaminants:heavy metals, aluminum, asbestos, cadmium, chromium 6, copper, arsenic, nitrates & nitrites, lead, mercury and up to 90% fluoride
Radiological contaminants:radon 222
I have been using Seychelles bottles and filters for about a decade. When I saw the canteen I had to get it and try it for camping trips... I was NOT disappointed! It is amazing and am expecting to use it for many years to come.