Sawyer 34oz Personal Water Bottle Filter N/A Made in USA 34-ounce BPA free water bottle with 0.1 Micron absolute hollow fiber membrane inline filter Removes 99.99999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.9999% of all protozoa, such as giardia and cryptosporidium Designed to have a high flow rate for easy access to fresh, clean water; easily field maintainable Includes 63mm cap, backwash syringe, and 2 replacement straws Recommended for hiking, backpacking, ultralight backpacking, camping, and emergency preparedness