Advanced water filter bottle ideal for travel, outdoor sports and emergencies. Protects against bacteria, parasites and microplastics, chlorine and organic chemical matter such as pesticides, herbicides and improves water taste. Lab tested, durable, BPA free. Long-lasting: the microbiological filter provides 5 years of safe water. The ultimate travel companion – fill up your bottle anywhere. Used and tested all over the globe. This product gives back: one purchase, one child, one year of clean water.