Sunix Professional Personal Water Filter (Capacity 0.65L) - Portable Purifier Lightweight, Especially for Outdoor Sports Travel Hiking Mountaineering Camping Backpacking Fishing (BPA Free) Personal Water Filter is Portable and Lightweight. BPA Free Material and contains no chemicals. 99.9999% Waterborne bacteria and Waterborne protozoa removed This product must not be used by children without the supervision of an adult. Never filter Seawater or Chemically contaminated water, including water from mining tailing ponds or from near large agricultural operations. Ideal for travel, hiking, backpacking, hunters, camping, fishing , military personnel & scouts, and emergency preparedness. What you get: Sunix Personal Water Filter; 2-year hassle-free warranty and friendly customer service.