Gravity Fed Water Filtration System With Adjustable Tree Strap, 1.5 Gal, 6L Product Features [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 Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!