Enjoy clean and safe drinking water wherever you roam with the Sawyer Dual Threaded MINI, a lightweight, highly versatile personal filtration system that's ideal for hiking, backpacking, backcountry camping, emergency prepping, and more.With threads on both sides, you can screw the push/pull cap onto the Dual Threaded MINI for easy on/off functionality while filtering to control water flow. This outdoor water filter can be screwed onto most disposable water or soda bottles, or attach it inline to tubing between a hydration pack and bite valve. Weighing just 2 ounces, this tiny water filtration system fits in the palm of your hand.While small in size, the powerful Dual Threaded MINI features a 0. 1 micron absolute filter that removes 99. 99999% of bacteria (salmonella, cholera, and E. coli) and 99. 9999% of protozoa (cryptosporidium and giardia) — exceeding EPA recommendations for removal rates. Rated to filter up to 100, 000 gallons, the Dual Threaded MINI's filtering membranes are sturdy enough to withstand backwashing using the included syringe, restoring up to 98. 5% of the filter’s flow rate.Perfect for adding to your disaster preparedness kit to ensure access to clean water during emergencies, the Dual Threaded MINI is great for removing harmful pathogens from residential water when boil alerts are issued. This package includes a Dual Threaded MINI water filter, 0. 5-liter collapsible pouch, cleaning coupling, inline adapter, and syringe. Made in the USA.