Easy Open / Close Leak-Proof Cap: Ergonomic handle
Drink Clean: BPA, BPS, and BPF free
Two Stages of Filtration: Stage 1: Hollow Fiber Membrane Removes 99.999999% of bacteria (E. Coli, etc.) Removes 99.999% of protozoa (Giardia Cryptosporidium, etc.) Removes 99.999% of microplastics Filters 4,000 litres (1,000 gallons) Stage 2: Activated Carbon Filter Reduces chlorine Removes bad odor and taste Filters 100 litres (25 gallons)