Exstream personal water purification systems provide a convenient alternative to pump-style water purifiers: no stopping, unpacking, sorting hoses, pumping or carrying large volumes of water. These "scoop and suck" purifiers come highly recommended. They eliminate pathogenic cysts, bacteria and viruses; U.S. EPA registered. Delivers 100 liters/26 gallons per replaceable cartridge.
The best selling water bottle purifier. EPA registered to remove all types of microorganisms, including viruses. Lightweight, simple design fits into standard water bottle and cup holders. Purification method: Virustat technology plus microfiltration and carbon. Bottle capacity: 26 oz. Cartridge capacity: Up to 26 gal. Weight: 7 oz. Height: 11".
Virustat kit: complete cartridge replacement.
Cyst filter: replacement for the middle stage of the purifier cartridge.