Hydrapak Filter Cap Water Filtration Accessory Fast Flow Perfect for Trail Endurance and Emergency Preparedness UltraFlask+ - - - Running, Hiking,

Fast and safe filtration: The integrated filter removes E. coli, Cryptosporidium parvum cysts, and Giardia lamblia from approximately 1,500 liters of water at a rate of more than 1 liter per minute. * Light and compact: The minimalist design and lightweight materials make it the perfect filter for runners. It does not take up any extra space when stored or passed directly into a flask. HIGH FLOW: Easy-to-sip bite valve auto-seals with every sip to prevent annoying drips. Compatibility: Perfect for trail running and backcountry water filtration. Compatible with all HydraPak products with a 42mm opening, including running flasks, seekers, and flux bottles. Backflush Adapter Included: Plug into the filter valve and screw into your HydraPak storage or clean water bottle to backflush the filter and restore flow.