Filter water on the run. These filter caps fit onto many Hydrapak products including the soft flasks on our site. LIGHT & COMPACT At only 57 grams, our filter is one of the lightest filter options available. Its small size takes up no extra space when stored or threaded directly onto a Seeker or Flux. DUST COVER & HIGH-FLOW NOZZLE Keeps dust off your drink nozzle. Quickly opens and closes the drink nozzle with one hand without any direct contact with dirty hands. 42MM THREAD COMPATIBLE Thread the filter onto most popular backpacking water storage bags, flexible bottles and running flasks including the Seeker water storage bags, Flux bottles, UltraFlasks and SkyFlask handhelds. FAST & SAFE FILTRATION Removes 99.99% of E Coli & Parasitic cysts. Filters approximately 1,500 liters of fresh water at a rate of >1 L per minute. SAFE Filter removes Escherichia coli bacteria, Cryptosporidium parvum cysts, and Giardia Lamblia (99.9%) from approximately 1,500 liters of water. SAFE & RELIABLE 100% BPA and PVC Free
