Hydrapak Ultraflask+ Filter Cap

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Run fast, filter faster. The UltraFlask+ Filter Cap threads seamless onto all of HydraPak’s 42mm running flasks and handhelds for a lightweight, straightforward filtration solution . Featuring a traditional bite valve and cap design, runners can drink freshly filtered water directly through the high-flow Blaster valve. LIGHT AND COMPACT Minimal design and lightweight materials make this filter the ideal choice for runners. It takes up no extra space when stored or threaded directly onto a flask. FAST & SAFE FILTRATION The integrated filter removes Escherichia coli bacteria, Cryptosporidium parvum cysts, and Giardia Lamblia from approximately 1,500 liters of water at a rate of >1L per minute.* Show more