The Sawyer Mini Water Filtration System is perfect for outdoor enthusiasts, whether you're hiking, biking, or simply exploring the city. This minimalist filter requires no extra tablets or power supply, making it easy to transport unnoticed. With a lifespan of up to 375,000 liters of water, it reliably removes 99.99999% of bacteria and protozoa and 100% of micropolymers. Its durable reinforced walls ensure long-term use, while the built-in 28mm thread allows for easy mounting on a PET bottle. And with a filtration rate of less than 0.1 micron, this filter is both effective and easy to clean.