The LifeStraw Mission gravity powered water purifier removes 99.9999% of bacteria, 99.99% of protozoa, and 99.999% of viruses, while purifying 4,750 gallons of water (18,000 liters). Simply fill the BPA-Free bag, hang, and enjoy clean purified drinking water. It's ideal for camping, group hikes, expeditions, and is available in 12L sizes. Easy-to-remove, 80-micron pre-filter inside the bag

Features

• Flow-rate of 9-12 liters/hour
• The purifier is easy to clean in the field, thanks to integrate back-flush bulb
• Removes 99.999% of viruses, bacteria and protozoan cysts
• Requires no power, batteries, or running water supply
• Filters up to 4,750 gallons (18,000 liters) of water to 0.02 microns
• Fill-marker windows on bag display water level Strap for easy carrying and hanging