Adventure Bladder: 2 Liter Hydration Bladder With Filter -, And Biking The Puribag Adventure Bladder is a 2 liter water bladder that provides both water storage and filtration, so you can keep enjoying the great outdoors. Most hydration bladders require you to fill up before you begin your adventure, but this water bladder bag is designed to allow you to fill up from almost any freshwater source, so you never have to worry about running out of water. If you already have a hydration vest or backpack you love, don't worry. You can simply replace the internal backpack bladder, and upgrade to one that will also provide filtration. The Puribag Adventure Bladder can also be used as is, and if you're looking to save space or weight in your pack, this backpacking water bladder is the ideal solution for you combining the need for storage and filtration into one simple system. This hydration bag eliminates any worries about packing too little, or too much water. Enjoy the outdoors for longer, and bring along the Puribag Adventure Bladder when hiking, backpacking, biking and more. Product Features Dual Use: This water storage bladder goes above and beyond by offering effective water filtration. Use with our without the hollow fiber membrane filter depending on your source water. Compatible With Others: Use a replacement for the Puribag Adventure Pack, or upgrade your current water bladder backpack that you love by switching out the internal water bag for a water bladder with filter capabilities. Filtration Storage: Your hiking water filter, can also be your hiking water bladder. Simplify your pack, and opt for a system that offers both filtration and storage. Effective Protection: Using only the best water filter technology, the 0.1 micron hollow fiber membrane protects against 99.99% of bacteria, along with protozoa, parasites, and other waterborne contaminants. Adventure On: Whether you already have a hydration backpack you love, or you're looking for a new portable water bladder, this water filter bag keeps you outdoors longer, and is an upgrade you're sure to love. 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!