Durable Quality: The outdoor survival water filter is made of high quality ABS and PE materials, safe, odorless, BPA free, strong and durable, ensuring your health. Lightweight and Portable: The product size is 21 x 2.5 cm, easily fits into your backpack. The ultra-light and durable outdoor water filter can purify lakes, rivers and water jets directly in the water bag. Safe drinking water: The water filter can effectively remove bacteria, pathogenic microorganisms, heavy metal ions and other contaminants, reduce turbidity, and allow you to have safe drinking water immediately when you are outdoors without boiling water equipment. [Outdoor essentials] It can be used in a variety of scenarios, such as military training, hiking, fishing, camping, business trips, and can also be used for emergency rescue. After use, it can be sucked out with a straw for rinsing, which can extend the life of the water filter. Scope of delivery: 1 x outdoor water filter Product description Product details: