1. Our water filtration system operates without electricity and has a flow rate of up to 1400 ml per minute. The water filter pump can filter up to 3000 liters, quickly turning rainwater, lake water, and river water into clean drinking water. It provides pure, great-tasting water to meet various outdoor needs. 2. The outdoor pump water filtration system uses a medical-grade 0.01 micron hollow fiber ultrafiltration membrane, capable of removing up to 99.99% of bacteria, microorganisms, particles, and sediments. Made with high-quality coconut shell activated carbon fiber, it effectively reduces contaminants and unpleasant odors from natural water sources, helping make water safe to drink in outdoor environments. 3. After extended use, the filter element can be rinsed repeatedly with clean water to remove debris and restore performance. 4. The outdoor water filter pump weighs approximately 254g and measures approximately 23.5 x 8.1 x 4.9 cm. Its compact design allows it to fit easily into a backpack for convenient transport. 5. Lightweight, portable, and easy to use—simply submerge the intake tube in water and pump the handle up and down to obtain clean drinking water. Package includes: 1 x Water Purifier