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 ra-w, untreated water from remote lakes and streams. Removes small particles and impurities, reduces turbidity and improves taste. Constructed from food-grade stainless steel, chemical-free, healthy and reliable. Gifted stand to raise the position of the water filter,make it easier to receive water. Also you can store your cupsunderneath the rack. Perfect for home,emergency preparedness,outdoor adventure,camping,hiking,backpacking,etc. Specifications: Model: Set 1 / Set 2 / Set 3 optional Filter Material: Hollow fiber UF membrane + Coconut activated carbon Stand Material: Stainless steel 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 Filter Size: 24.5 * 24.5 * 55.5 cm / 9.6 * 9.6 * 21.9 in Filter Weight: approx. 4.2 kg / 9.2 lb Stand Size: 30.5 * 30.5 * 17 cm / 12.0 * 12.0 * 6.7 in Package size: 25 * 25 * 36 cm / 9.8 * 9.8 * 14.2 in Package weight: approx. 4.3 kg / 9.5 lb Set 1Package List: 2 * Replacement Water Filter Set 2Package List: 1 * Water Filter System Set 3Package List: 1 * Water Filter System 1 * Stand NOTE: 1. As for a standard setfor 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.