Food Grade MaterialIt is made of plastic plastic, including ABS compound without bisphenol A. 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 DevicesThe water filter migrates with signal level, 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 in-line filters. Safety Material GuaranteeInnovative water regulator Drinking water, no need to use iodine, chlorine or chlorine. other chemicals. Remove dirt and debris from rivers, ponds, streams and mud puddles. Remark : water filter camping can& 39;t filter water from beverage and chemical industry. Portable and Lightweight Open Outdoor Water FilterFilling drift water of the mini traveler measures 22 x 3.2 cm and its weight is 90 grams. No matter where you suspect water, this little equipment will do the trick. It is suitable for your palm, pocket, backpack, etc. Please note that due to manual measurement and display differences, there may be slight differences between individual products and actual pictures.