Food Grade MaterialIt is made of plastic plastic, including BPA-free compound ABS. It is very safe, the filtration precision is 0.01 micron. Pure and reliable drinking water can be delivered to you from anywhere, anytime. It is portable and a perfect solution for emergency water resources, which can transform nearby water sources to safe drinking water Auxiliary Living DevicesWater filter migrates with level signal, extend pipe, whistle and compass. Suitable for your family and friends when camping, hiking, backpacking, traveling, hunting and backpacking or emergency care Filter 99.99% ImpuritiesCan filter 99.99% of bacteria and impurities. The outdoor water regulator effectively filters up to 1,500 liters of polluted water, into clean drinking water, contaminated anhydrous, chlorinated or other harsh chemicals. 0.01 Micron Absolute Hollow Fiber Membrane Inline Filters Safety Material GuaranteeInnovative Water Regulator Drinking water, no need to use iodine, chlorine or other chemicals . Remove dirt and debris from rivers, ponds, streams and mud puddles. Note: Water filter camping can not filter beverage and chemical industry water Portable and Lightweight Open Outdoor Water FilterWater filling drift mini traveler measures 22 x 3.2 and weighs 90 es. No matter where you suspect the water, this little piece of equipment will do. It is suitable for your palm, pocket, backpack, etc.