The Sawyer Mini Water Filtration System is perfect for outdoor enthusiasts who enjoy activities like biking, partying, or simply walking around town. This compact and lightweight filter does not require any extra treatment or external power supply. It is capable of filtering up to 375,000 litres of water, removing 99.99999% of bacteria and protozoa and 100% of micropolymers. Its durable construction with reinforced walls makes it a long-lasting investment for outdoor adventures. The package includes a filter, a water bag, a drinking tube, and a cleaning syringe, making it easy to operate and clean. With its built-in 28mm thread, the filtration system can be easily mounted on any PET bottle. Trust the filtration power of microfibres less than 0.1 microns in diameter.