• High-Efficiency Filtration: The water filter straw is made up of 0.01 micron hollow fiber ultrafiltration membrane, Activated carbon fiber, and double PP Cotton. The entire water filtration system is made of food-grade materials, BPA Free
• Large Capacity: Whole body edge of this 8L gravity water bag adopts a double soldering sealing side quilting design to withstand a large degree of squeezing. When the water pipe is inserted, it can be auto-locked fast and will not loose
• Very Versatile: In addition to being a camping water filtration system,the filter straw connected to the water bottle to act as an extruded water filtration system.The 8L gravity water bag also compatible with Sawyer Mini, Sawyer Squeeze, Sawyer Micro and other common brands filter straw.Hang the water bag high up to act as a bear-proof food bag
• Easy to Use: Just hang on a tree or put the gravity water bag in a high place, hands-free filtration, enjoy effort-free (no pumping, no squeezing) filtered water within minutes. The operation of this gravity-fed water filtration system is remarkably straightforward
• Multi-scene Application: As a necessity for outdoor water purification, the Burtrail gravity water filter system is applicable to camping, hiking, backpacking, emergency preparedness (rainstorms, floods, earthquakes, hurricane, etc.) to meet the emergency water demand in a variety of situations

• Product Dimensions ‏ : ‎ 11 x 11 x 20 inches; 1 Pounds
• Date First Available ‏ : ‎ February 16, 2025
• Manufacturer ‏ : ‎ Burtrail
• Country of Origin ‏ : ‎ China