HydraPak 42mm Filter Cap - Compact Water Filtration Cap - NSF Certified, Emergency Preparedness, Perfect for Hiking, Endurance Sports, Camping

HIGH FLOW RATE: Access potable water anywhere. Filters approximately 1,500 liters of fresh water at a rate of >1 L per minute. 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. EASY TO USE: The high flow drink nozzle is easy to open and lock with one hand, and is equipped with a dust cover that keeps your valve clean and protected from the elements. 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.