Spanish buyer note:If your address contains the following zip code, please do not select Spanish warehouse. ZIP Code starts from 35/38Overseas warehouse cannot be delivered. Personal Water Filter Water Filtration System Camping Purification Water Filter Straw Set for Outdoor Travel Survival Emergency SuppliesFeature:1. Provide convenient, safe and clean outdoor drinking water2. Excellent water purification performance: At least 3000 liters of water can be filtered under normal conditions3. Remove at least 99.9999% of water germs4. At least 99.9% removal of parasitic aquatic protozoa5. Reduce turbidity: it can filter particles of about 0.2 microns6. No chemicals7. High water flow8. No power supply/battery or spare parts requiredProduct Life & Feature: It can purify 3000L of water, and the straw will not be blocked at the end of its service life. Life cycle 3-5 years after first use (after use, it should be cleaned and stored as needed. Unopened products can be stored for a long time without deterioration and will not affect the use.)Average Flow: For gravity filtration, the water head height is 60CM, and the flow rate is 250-300ml in 1 minute. Usage: absorb the water with your mouth, drain or shake the water after use, cover the lid and put it into the shell. Precautions:1. Please spit out the first piece of water.2. Filter water does not collect salt water and will chemically contaminate