High-Precision Technology: The personal water purifier's filtration accuracy is 0.01 microns, which can reduce most small particles. Effectively reduces the odor of natural water, ensuring healthy drinking water even in the wild. No Batteries Required: The personal water filter has a high water flow rate (250-300 ml in 1 minute at a height of 60 cm). Large Filtration Capacity: The personal water filter has a long service life and a capacity of up to 3000L/approx. 793 gallons, very economical. The survival water filter can be used by multiple people. PORTABLE SIZE: The personal water filter is lightweight, space-saving, easy to carry, durable, and can easily withstand various outdoor environments. Survival water filter allows you to enjoy clean and safe drinking water every time. UNIQUE HANDLE: The personal water filter's natural, smooth, ergonomic design provides you with a comfortable grip. More comfortable to hold than other products. Features: 1. This is a high-tech portable outdoor water purifier that converts sewage into drinking water with excellent cleaning performance. 2. It can effectively remove 99.99% of E. coli and parasites that cause common diarrheal diseases. 3. Uses new "ultrafiltration membrane technology" to improve water purification efficiency and does not use chemical media to purify water, which is safe for the human body. 4. Water filters are mainly used to provide safe and clean drinking water during natural disasters (such as floods, earthquakes, hurricanes, etc.), and can also be used for outdoor survival, camping, picnics, travel, etc. 5. With clean outdoor drinking water, you will have a better living environment. It is a must-have survival product for outdoor adventures.