Large Capacity 750ml Straw Filter Cup Outdoor Portable Hiking Camping Equipment Survival Emergency Water Purifier Drinking Water BottleFeature:1. This water purification cup is a high-performance portable outdoor water purifier. It purifies sewage into drinking water with super purification performance!2. It effectively removes all and parasites that cause common diarrheal diseases.3. No need for electricity/battery and spare parts, you can take it with you to get safe and clean water.4. The use of the new "hollow fiber membrane" not only significantly improves the water purification efficiency, but also does not use any chemical medium to purify water, so it will not cause any problems or side effects.5. It can be used to directly suck and drink any dirty water and surface water of Category 1-2, and the quality of the effluent is higher than that of tap water in many developed countries.6. It can filter 99.9% of parasites, Escherichia coli and bacte in the water, effectively preventing the occurrence of infectious diseases such as dysentery.7. Water purification cups can not only provide safe and clean drinking water for victims of earthquakes, tsunamis, hurricanes or other disasters, but also become a standing water storage container for people traveling outdoors.8. Superior water purification capacity: 1500L water can be filtered under normal circumstances.9. Reduce turbidity.10. Does not contain chemicals.11. High water flow.12. Smooth water absorption.13. Zero-pressure f