The Lifestraw Go 650 ml filtering flask from Lifestraw is a derivative of the Lifestraw Steel filtering straw so you can take drinking water with you on your travels and refill it whenever you need to. This new version is made from top quality materials and has a capacity of 0.65L. The membrane microfilter protects against 99.999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, dirt, sediment and turbidity. Thanks to its handle, you can carry it wherever you want.Ultra-light and compressible, you can take it and use it as a filter straw, storage solution, compression system or link it to other Peak Series systems to make it even more suitable for your adventure. The Lifestraw Go 650 ml bottle contains a filtration membrane (lifespan 2000 litres). No need for power, batteries or spare parts. Energy is produced by the suction generated by the user.