This water filter system with a removable filter can help effectively remove the impurities to provide clean, safe water. It is perfect for outdoor emergency, camping, hiking, backpacking, etc. Features: 11 liters large capacity, with fast flow rate up to 1.5 liters per hour. Last for up to 6,000 gallons of clean and safe drinking water before needing replacement, super economical. Requires no power to purify, untreated water from remote lakes and streams. Removes small particles and impurities, reduces turbidity and improves taste. Constructed from foodgrade stainless steel, chemical , healthy and reliable. Perfect for home, emergency preparedness, outdoor adventure, camping, hiking, backpacking, etc. Specifications: Material: Stainless steel Filter Material: Hollow fiber UF membrane Coconut activated carbon Volume: 11L (2.9 gallons) Filter Capacity: 6,000 gallons (configured with 2 filters) Filter Accuracy: Min. 0.01 microns Flow Rate: 1.5 liters per hour (configured with 2 filters) Suit Temperature: 32 90? Size: 24.5 * 55.5 cm / 9.6 * 21.9 in Weight: 4.2kg / 9.2lb Package List: 1 * Water Filter System NOTE: 1. As for a standard set(for Set 1 and Set 3) ,one filtration bucket only has 2pcs filter elements. 2. One filtration bucket has 3pcs holes for installing 3pcs filter element,but the third one need to be bought separately.