(12 hours hot / 24 hours cold) Built-In Water Filter Straw: Enjoy filtered water wherever you go. The included activated carbon water filter reduces chlorine and odor for better tasting water.

A measure of how effectively the filter removed flavor taints, along with the resulting odor taints, that CR added to plain water with minimal intrinsic flavor and odor (the "control" water).

(12 hours hot / 24 hours cold) Built-In Water Filter Straw: Enjoy filtered water wherever you go. The included activated carbon water filter reduces chlorine and odor for better tasting water.