Unicorn Flask 1,500-Liters Purifying Water Filter Camping Bottle with Dual Filtration System, Blue, 22 Oz EFFECTIVE PURIFICATION OF CHLORINE, CHLORIDES, FLUORIDES, UP TO 99.9 % OF BACTERIA & VIRUSES, METALS AND WATER TREATMENT BY ADJUSTING PH - Removes up to 99.9 % of waterborne bacteria and protozoa including heavy metals thanks to filter fineness 0.01 to 0.2 microns LIFESAVER PURIFYING WATER BOTTLE WITH REMOVEABLE AND WASHABLE WATER FILTER - The Unicorn Flask Water Filter Bottle with Dual Stage Filter and Magnetic Compass has built-in cap lock to protect mouthpiece from contamination HIGH CAPACITY PERSONAL WATER FILTER FOR CAMPING, BACKPACKING AND GREAT AS PART OF OUTDOOR SURVIVAL GEAR KIT OR PREPPER SUPPLIES - Filter can be used to filter up to 396 gallons (1,500 liters) of untreated water with flowrate of 15 fl oz (450 ml) per minute. Capacity of bottle is 22 fl oz (650 ml) LEAK PROOF DESIGN & BLUE BPA FREE TRITAN PLASTIC - The Unicorn Flask is made out of BPA Free Tritan and contains silicone sealing to prevent leaking even if shaking upside down. LIGHTWEIGHT OUTDOOR CAMPING EQUIPMENT - Hiking, Outdoors, Hunting, Bug-out Bag and as a part of Survival Kit