COMPATIBLE: Perfect for trailrunning, cycling or backcountry water filtration. Works with all 42mm opening HydraPak products including running flasks, Seekers and Flux bottles.
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 our Seeker or Flux.
SAFE: Effectively removes common waterborne bacteria (99.9999%), and parasitic cysts (99.999%) per EPA Guide Standards and microplastics (99.999%) per NSF 42 greater than or equal to 3.0 microns in size.
USER-FRIENDLY: The high-flow drinking nozzle can be conveniently opened and secured with a single hand, and it features a dust cover that safeguards your valve from dirt and environmental factors.
HIGH FLOW RATE: Access potable water anywhere. Filters approximately 1,500 liters of fresh water at a rate of >1 L per minute.