[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.
[Large Capacity] With 1.5 gallons of large capacity, the gravity-fed bag can meet a family's or a group's water needs during your outdoor activities.
[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] 6L water bag, Filter Straw, Adjustable Tree Strap, Detachable Tube
