The second-generation Sawyer Mini water filter is a lightweight and versatile personal filtration system, with a total weight of just 2 oz It is well-suited for various activities, including family camping trips and international travel where the safety of tap and bottled water may be questionable. This compact yet efficient device provides 0.1 um absolute filtration, guaranteeing access to clean drinking water by eliminating bacteria, protozoa and micro plastics. The compact, high-performance 0.1 um absolute inline filter, weighing only 2 oz, undergoes triple individual testing by Sawyer to ensure performance standards Compatible with the included drinking pouch, standard disposable water bottles, and hydration packs, or use the straw for direct drinking from the water source Eliminates 99.99999% of bacteria, including Salmonella, Cholera, and E. coli, 99.9999% of protozoa, such as Giardia and Cryptosporidium, and 100% of micro plastics Each Sawyer filter undergoes three performance tests during manufacturing to confirm it is 0.1 absolute micron, ensuring no harmful pathogens pass through