Our portable water filter straw is a must-have for outdoor enthusiasts and survivalists. With a powerful combination of U-F and carbon fiber filtration technology, this straw guarantees a capacity of 4000L of safe drinking water. Featuring a sediment pre-filter, 0.01-micron membrane filter straw, and activated carbon fiber, this water filter straw provides triple filtration to ensure the removal of all visible solid sediment and up to 99.99999 percent of harmful substances. Say goodbye to unpleasant odors and hello to clean, refreshing water in even the harshest environments. Whether you're camping, hiking, scouting, or preparing for emergencies, this portable water filter straw is your go-to solution for clean drinking water on the go. It's designed for direct drinking, making it ideal for use with lake and stream water sources. Forget about carrying chemical treatments or iodine tablets our water filter straw offers a chemical-free purification method that is safe and effective. Simply use bottled or municipal water for flushing and backwashing, ensuring you have access to clean water wherever your adventures. Designed for convenience, our outdoor water purifier is compact and lightweight, making it easy to carry in your backpack or camping gear. Say goodbye to bulky filtration systems and enjoy the freedom of having clean drinking water at your fingertips wherever your adventures take you. Description: Stay hydrated and safe during your outdoor adventures with the outdoor portable water filter straw. With a 4000L capacity guaranteed, this straw offers triple filtration for clean and safe drinking water. The combination of a sediment pre-filter, 0.01 micron membrane filter straw, and activated carbon fiber ensures the removal of all visible solid sediment and reduces 99.99999 percent of harmful substances, while also improving odor. This outdoor portable water filter straw is perfect for camping, hiking, scouting, backcountry travel, and emergency preparedness. It is a direct drinking water purifier that eliminates the need for chemical, iodine, or batteries. You can use bottled or municipal water sources for direct flushing and backwashing, making it suitable for lake and stream water sources. Compact and lightweight, this survival straw is an essential tool for your survival bag. Stay prepared for any situation with this reliable and efficient water filter straw. Item Name: Water Filter Straw Material: Carbon Fiber Features: Universal, Easy to Use, Portable, Lightweight Size Details: A, L: 13cm/5.12", W: 3cm/1.18" (Approx.) B, L: 12cm/4.72", W: 3.5cm/1.38" (Approx.) C, L: 13cm/5.12", W: 3cm/1.18" (Approx.) D, L: 14cm/5.51", W: 3cm/1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Style A/B: 1 x Extension Straw 1 x Adapter 1 x Water Filter Straw or Style C: 1 x Straw Host 1 x Extension Straw Style D: 1 x Water Filter Straw 1 x Filter Sand Head 1 x Dust Cover 1 x Hanging Buckle