Ideal for hiking, camping, hunting, fishing, emergency prep, or traveling abroad, Sawyer&';s Squeeze Water Filter ensures access to clean water in the backcountry or anywhere in the world. Rated to 0.1 micron absolute filtration, the Squeeze Filter removes 99.99999% of bacteria such as salmonella, cholera, leptospirosis, and e. Coli, and removes 99. 9999% of protozoa such as giardia and cryptosporidium (independent testing laboratory Hydration, LLC.; microbiological report S05-03). The Squeeze Filter also filters out 100% of microplastics. SPECIFICATIONS Dimensions (in) 1.9 x 5.5 x 1.9 inches Removes bacteria, protozoa, E. Coli, giardia, vibrio cholerea, Salmonella typhi, & microplastics Technology Hollow fiber Weight (oz) 3