Overview： 1. Outdoor water purifier, emergency and portable safety tool. 2. Pure, secure, and healthy—removes 99.99% of viruses, bacteria, and contaminants. 3. Four-stage filtration system with ultrafiltration membrane, activated carbon, and nanosilver antiparticles. No chemicals, batteries, or moving parts to wear out. 4. High flow rate for rapid hydration—insert into water and drink directly. 5. Multifunctional: Portable lanyard, nozzle dust cover, and compatibility with extended silicone tubes and standard beverage bottles. 6. Backflush design: Blow air through the straw after use to clean filters and prevent clogging. 7. Convenient and practical: Connects to water bags or bottles—ideal for hiking, camping, travel, and emergencies. 8. Lightweight and compact: 21.5 x 3 cm, weighing just 60g for easy portability. Product information: Material: Plastic/Activated Carbon Specification: Main material: PE Product size: 21.5*3CM Net weight: About 60g Packing list: 1*X Filter Straw Product Specifications: Product Name: PureHydrate Pro Water Filter Straw - Emergency Survival Tool for Hiking, Camping & Travel - 99.99% Virus Removal Availability: In Stock AI Ready: True AI Agent Discovery Optimized