We tested 31 filters, from squeeze to press-style varieties, to find the best. These 5 made processing dirty backcountry ...

Traditional water filters struggle to remove smaller PFAS molecules, but a new Monash-designed filter changes that.

If you’re concerned about chlorine or bacteria in your water at home, a shower filter is a relatively inexpensive, quick fix. Before selecting one, Olga Naidenko, Ph.D., a senior science adviser ...

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).