Personal Straw Water Filter Emergency Preparedness Portable Water Filtration for Hiking Camping Fishing Hunting Outdoor _x000D_ _x000D_ Personal Straw Water Filter, Emergency Preparedness Portable Water Filtration for Hiking Camping Fishing Hunting Outdoor Adventures Backpacking, 2.8mm Screw Bottom, Water Purifier Survival Gear _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ ADVANCED FILTRATION: 4-stage straw water filter filtration system with medical-grade PP cotton, activated carbon, hollow fiber membrane, and adsorption ball for superior water purification _x000D_ REMOVAL CAPACITY: This water filter straw filters out 99.9999% of tiny materials, sands, particulates and sediments down to 0.1 microns for cleaner drinking water _x000D_ HIGH FLOW RATE: This survival straws for purifying water, delivering quick water flow up to 550mL per minute, making it efficient for immediate hydration needs during outdoor activities _x000D_ LONG LASTING: This water straw to purify water, providing filtration for up to 1500L (396 gallons) of water, suitable for extended outdoor adventures and emergency situations _x000D_ PORTABLE DESIGN: Emergency water lightweight straw filter with easy 2-step usage process - simply connect to water source and drink through the mouthpiece _x000D_ _x000D_ _x000D_ _x000D_