ShuRex Gravity Fed Water Filtration System with Adjustable Tree Strap, Gravity Bag with Filter Straw, Water Purifier Survival for Travel, Backpacking, and Emergency Preparedness (3L)

[Efficient Filtration] Double filter system with Hollow Fiber Membrane and Carbon filter. Hollow Fiber Membrane Filter Pore size: 0.1 Microns; Carbon fiber improves taste, removes odor, and protects the UF filter for longer life capacity. Life Capacity: Hollow Fiber Membrane 6000 L/1500 Gallons； Carbon fiber: 300L/80Gallons. Both filters are replaceable.. [Ultra Safe Material] The gravity-fed water bag is made of food-grade, BPA-free, ultra-safe, and ultra-durable material to ensure water safe all the time. [Versatile Uses]You can use the filter straw independently, or with a gravity water bag, or by adding an extension tube on the water straw for more distance, even connecting with water bottles.. [What's in the box] 3L water bag, Filter Straw, Adjustable Tree Strap, Detachable Tube