TheLifeStrawPeak Series LC Gravity water bag with water filter - 8 + 8 L is the ultimate basecamp filtration system with high quality and fast and seamless water storage. Both the gravity and the 8 liter storage bags are completely leak-proof systems that make you enormously mobile. The set can be used in many different ways. The safe water storage bag features a custom, easy-to-use vane spout for fast flow and a hose attachment for added functionality and versatility. You can also remove the filter from the gravity bag and use it as a straw on the go, as Lifestraw once started. You can connect it to a water bottle or use the included plug cap to stop the power and use it as a second storage. In short, endless possibilities!Below are the specifications of the Lifestraw Peak Series Large Capicity Gravity:Membrane microfilter protects against 99.999999% of bacteria, 99.999% of parasites and 99.999% of microplastics, sludge, sand and turbidityPores large 0.2 micronsMeets U.S. EPA and NSF P231 drinking water standards for bacteria and parasite removalBPA freeFDA approvedHigh-quality and durable materials8 + 8 liter capacity946 grams (536 grams of dirty water bag, safe water bag 430 grams)59.7 x 35.6 cm (dirty water bag) - 59.7 x 35.6 (safe water bag)120cm length hoseReplaceable filters and partsMembrane microfilter lasts up to 2000 liters (no more water flows through when the life of the filter is reached)Comes including 8 litre gravity bag with hose and standard coupling, carabiner, leak proof water storage cap, easy carry strap, 8 litre safer water storage bag, custom cap with swivel spout, backwash accessory and user manualA very complete set forwater purification to go on the road. Perfect tool for large groups, base camps or traveling with a motorhome or van. Easy to hang on a tree or RV for quick hydration.For every LifeStraw® sold, a child in Africa is provided with safe water for an entire school year!