Stay prepared wherever life takes you with the Sagan Life XStream™ Portable Water Purifier. Designed for hikers, campers, travelers, emergency preparedness, and disaster response, the XStream uses the proven Journey™ purification filter to safely purify up to 250 gallons of water from virtually any non-salt water source. Independently laboratory tested to remove viruses, bacteria, protozoa, heavy metals, and numerous harmful contaminants, the XStream delivers safe drinking water without chemicals, batteries, or complicated equipment. Includes 2 Journey Water Filters The Basic XStream Straw Ultralight Water Filter can be purchased without the handpump. EPA Est.#94138-ID-1