- ADVANCED FILTRTION SYSTEM：Reusable filtered water bottle with made up Medical Grade Hollow Fiber UF Membrane, Coconut Shell Activated Carbon, Beads and Medical Grade PP Cotton, 2-stage advanced filter to remove 99.999% harmful ingredient.
- FOOD GRADE MATERIAL：This filtered water bottle is made from Food Grade Tritan material, features a food-grade silicone mouthpiece. BPA free,without any bad smell. It has the advantage of high heat resistance, excellent hydrolysis resistance.
- PRATICAL & UNIQUE DESIGN : This cup has an excellent dual-use function. When you remove the filter that inside in the cup and change it into a straw, it becomes a sports cup. Nozzle cap and one touch button lock prevent leakage. Portable durable and easy to clean.
- SURVIVAL ASSISTANT: This versatile water bottle not only help to provide healthy drinking water in harsh environments, , but the top compass helps you find the right direction. Perfect for travel, backpacking, camping, and emergency kits.
- LONG LIFESPAN & REPLACEABLE：The purification capacity of this filtered water bottle is up to 1500L one year. Replaceable filters save you money as the water bottles themselves have a very long life.