Description:* 1. Color: Army Green* 2. Size: 11.5x7.5x4cm*3. Material: ABS + Fiber + KDF + Ceramic + Silicone* 4. Filtering efficiency: 99.99%* 5. Filter element: ultrafiltration membrane* 6. Filter Level: 3 Levels* 7. Filtration: 0.01 microns* 8. Filter element life: ge; 2000L*9. Water flow purification: ge; 400ml (0.4 l)/min* 10. Operating temperature: 0 °C 46 °C* 11. Water pressure range: 0.1-0.4(Mpa)* 12. Water outlet: single water outlet* 13. Water Quality Requirements: Natural Fresh Water* 14. Use case: outdoor work, travel, adventure, camping, etc.* 15. Function: Water Filter* 16. Applicable water source: river, lake surface, stream, groundwater, rainwater, surface water and other fresh water without chemical pollution.* 17. Warm tip: The service life of the filter element depends on the quality of the water. Try to use water cleaning to prolong the service life. Severely polluted water sources are prohibitedFeatures:* 1. The external water filter pump adopts a 0.01 micron ultrafiltration membrane, which can reduce up to 99.9999% of fine substances, effectively removing impurities with small particle size and preserving beneficial mineral elements.*2. Easy to use, just immerse the pre-filter into the fresh water source, and then pump the handle up and down to get clean and directly drinking water.*3. The portable water purifier has a 3 level filtration system with very