release that carbon dioxide into the bottle, let out excess gas on the inside and drink. Each cartridge is good for a single liter of water. The company aims for about 2.8 to 3 volumes of CO2 ...

A new soft bottle uses activated carbon to help you source safe drinking water in the backcountry, with almost no maintenance required. The Katadyn BeFree AC 1.0 L Water Filter Bottle looks to ...

With an active carbon filter and stainless steel body that keeps water cold for up to 24 hours, this Philips GoZero filtered water bottle is the best of both worlds. The 18.6-ounce vessel holds ...