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Access potable water anywhere. The 42mm filter is perfect for trail running, cycling or backcountry water fIltration. Compatible with all 42mm opening HydraPak products including, running flasks, Seekers and Flux bottles. Filter Kit includes: 42mm Filter Cap Product use and care instructions *Effectively removes common waterborne bacteria, such as E. coli (99.9999%), and parasitic cysts (99.999%) per EPA Guide Standards and NSF P231 and microplastics (99.999%) per NSF 42 greater than or equal to 3.0 microns in size. EPA COMPANY NO.:102123 EPA ESTABLISHMENT NO.: 102123°CHN°1 Weights and Dims Diameter: 42mm / 1.65 in Weight: 57 g / 2.0 oz Length: 129 mm / 5.1 in

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 ”