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).

Little else ruins a good backpacking trip like a midnight run for the bushes. We’ve been there, and we’re not keen on going back, which is why our experts have found the best backpacking water filters ...

The New LifeStraw Go Series Water Filter Tumbler in Teal. From work to workouts and all the refills in between, LifeStraw's new 18-oz stain ...