1,Hollow fiber membrane water filters can remove harmful substances in lakes and streams, making them safe and clean drinking water. 2,It can be filtered without chemicals, iodine or batteries, and the operation is simple and fast. 3,It can filter up to 2000 liters of water, with a filtration accuracy of 0.01 µm, and a rapid flow rate of up to 1100ml/min. 4,Comfortable and edible silicone nozzle and leak-free lid, you can safely use it outdoors. 5,Very suitable for travel, outdoor adventure, emergency preparation, hiking, backpacking, camping, and survival. Item Type: Water Purifier BottleMaterial: ABS Product Weight: Approx. 230g / 8.1oz Water Bag Capacity: 770MLFilter Life: 2000LFiltration Accuracy: 0.01µmWater Flow Rate: 1100ml/min Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.