Features:0.01-micron filtration accuracy removes 99.99% of waterborne bacteria, parasites, and reduces turbidity, and improves taste.Chemical-free, provide at least 3,000 liters of clean and safe drinking water from any source like creeks and streams.Superfast flow rate up to 1,200ml per minute.A lightweight and compact emergency water filtration system comes with a sack for easy storage and transport.Perfect for outdoor adventure, emergency preparedness, camping, hiking, backpacking, etc. YB20272W