Propur&trade; TRAVELER w/1-ProOne&trade;5 G2.0 filter ALL-IN-ONE water & fluoride filter Removes Glyphosate, Monochloramines, Pharmaceuticals and more Silver impregnated self sterlizing Increases pH up to 9.5 2.75 diameter for up to 54% more surface area and greater filtration performance over conventional 2 filters