Advanced Technology: The outdoor personal water filter can filter up to 99.9999% of the tiny material, sand, sediments. Built with a 0.01-micron ultrafiltration membrane and can absolutely provide up to 4000 liters of drinking water. Safe and Durable: The mini water filter is made of ABS shell and features a food-grade straw. Dust-proof and leak-free design, safe, durable, and without bad smell. Easy to Carry: The mini and lightweight water purification tool for outdoor camping is equipped with a lanyard, which is convenient for you to carry on outdoor adventures. Easy to Use: The portable water purifier is easy to use. Get down close to the stream or lake and use it to drink straight from the source, or fill your water bottle and insert the filter to start sipping. Widely Used: The mini water filter is a camping gear and equipment for emergency situations. It's necessary when camping, hiking, mountain climbing, hunting, trekking, backpacking, biking, boating, car rides, outdoor trips, and wilderness adventures.Your kit can never be too prepared. Features: 1. Made of high-quality ABS material, which is resistant to beating and abrasion. 2. Built with a 0.01-micron ultrafiltration membrane and can absolutely provide up to 4000 liters of drinking water. 3. Equipped with a lanyard, mini and lightweight, easy to carry 4. Suitable for outdoor activities, hiking, camping, scouting, backcountry travel, and emergency preparedness. Packing List: 1 PE bag 1 water purifier