The Portable Water Filter is a safe outdoor water purifier. It can immediately purify river, rain, lake water and other natural water into direct drinking water. The filter removing 99.9999% bacterial, cysts, particulates, sediments. It is lightweight, convenient to carry and use. The Camping water filtration is a must-carry tool for backpacking, hiking, camping, climbing and emergency preparedness.7.87" L x 1.18" W