"This filtration bottle is great for emergencies or to just take with you to enjoy fresh water anywhere! You can fill it up from the bottom (new feature) and filter water immediately by simply squeezing the bottle. Here are some key features of this new filtration system: * Removes up to 99.99% of pollutants and contaminants found in drinking water sources using its proprietary Ionic Adsorption Micron Filtration System. * Produces up to 100 gallons of filtered water * Has a “screw on/off” fill from the bottom cap with a 40 micron pre-filter to prevent large objects or particles from entering the bottle * Has a disinfectant compartment attached to the bottom cap for purification tablets or water chlorine tablets – which, when used as directed, makes the bottle a “mini-municipal bottled water plant!” * The top cap has a soft plastic removable cover for the drinking spout which keeps it free of dirt and contamination * New size! Now 26 oz. * light weight and easy to use * Tested by Independent laboratories using EPA and NSF protocols