1. Our water filtration system operates without electricity, has a flow rate of up to 1400 ml per minute, and the water filter pump can filter up to 3000 liters. It quickly turns rainwater, lake water, and river water into clean drinking water, providing pure water to meet various outdoor needs. 2. The outdoor pump water filtration system uses medical-grade 0.01 micron hollow fiber ultrafiltration membrane, capable of removing up to 99.99% of bacteria, microorganisms, particles, and sediments. Featuring high-quality coconut shell activated carbon, it effectively reduces contaminants and odors from natural water sources, helping make water safe for drinking in outdoor environments. 3. After extended use, the filter element can be rinsed repeatedly with clean water to remove debris and restore filtration 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 portability. 5. Lightweight and portable, this water filter is simple to operate and carry. 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