1、Each filter can purify 1000L of water before it needs to be replaced, with a long service time, environmental protection and cost-effective. 2、Made of food-grade ABS material, no unpleasant smell, lightweight, strong, anti-aging, so that you can drink with confidence. 3、Widely application, it can be used for outdoor camping, travel, hiking, backpacking, fishing, wild survival, adventure, etc. 4、The water purifier straw is designed with a hollow fiber membrane to effectively remove 99.99% of impurities in the water. 5、Emergency supplies are always necessary, packing a water filter straw in your survival tools can help you solve the water shortage problem. Portable water purifier kit to help you easily access healthy and drinkable water outdoors. Features: Each filter can purify 1000L of water before it needs to be replaced, with a long service time, environmental protection and cost-effective. Made of food-grade ABS material, no unpleasant smell, lightweight, strong, anti-aging, so that you can drink with confidence. Widely application, it can be used for outdoor camping, travel, hiking, backpacking, fishing, wild survival, adventure, etc. The water purifier straw is designed with a hollow fiber membrane to effectively remove 99.99% of impurities in the water. Emergency supplies are always necessary, packing a water filter straw in your survival tools can help you solve the water shortage problem. Specifications: Material: ABS Filter life: 1000L rate: 400ml/ min Size: 1.8*14.2cm/ 0.7*5.6in Weight: 21g/ 0.7oz Packing List: 1 * Water Filter Straw 1 * Water Filter Straw