Use the power of gravity and the Katadyn Gravity BeFree Microfilter to get clean water wherever you go! The EZ-Clean Membrane provides a fast flow rate of up to 2L per minute, and the water passes through a hollow-fiber filter with a pore size of .1 micron, which removes bacteria, cysts, and sediment. Water-level indicator window lets you know when to refill. Equipped with a carry strap for easy hauling or hanging. Output hose can easily be removed using a quick-release valve with automatic flow-stop to prevent contact with contaminated water. Quick-release attachments for fast attachment to most hydration bladders. Up to 1,000L filter capacity. EZ-Clean Membrane provides a fast flow rate of up to 2L per minute Water passes through a hollow-fiber filter with a pore size of .1 micron Removes bacteria, cysts, and sediment from contaminated water Water-level indicator window lets you know when to refill Carry strap for easy hauling or hanging Output hose can be removed using a quick-release valve with auto flow-stop Quick-release attachments for fast attachment to most hydration bladders Up to 1,000L filter capacity