Features:

• High-efficiency and reusable outdoor mini water filter, the inner core is made of a medical grade hollow fiber filtration membrane, which can filter up to 5000L of water.
• Can filter down to 0.01 micron in size and 99.99999% of tiny substance that can be found in water. The optimal flow rate of the filter straw is 800ml/min.
• 28mm threaded port at the bottom, it allows you to attach it to a plastic bottle or a reasonably sized water bag.
• Drinking directly from the filter straw is an option or just have the gravity to do the filtration for you.
• A very reliable source of clean water for campers, light backpacking, rock climbing, emergency and any outdoor activities.
• A syringe is provided for you to baskwash the filter when it is clogged with filtered dirt.

Specifications:

• Filtration amount: 5000L
• Flow rate: 800ml/min
• Filtration efficieny: 0.01 micron
• Weight: 52g
• Size: 14x3.3cm
• Operating temperature: 0-32 degree celcius
• Material: Food grade ABS/TPR
• Filter element: Medical grade hollow fiber Ultra-filtration membrane
• Included: Extended straw x1, Water storage bag x1, Back wash syringe x1 
• Filterable water source: Tap water/River water/Rain water/Stream water, etc