Minimal design and lightweight material, making it a great choice for runners
Designed to remove common waterborne bacteria
Featuring a traditional bite valve and cap design
High flow valve
Back flush adapter included
42 mm thread compatible
Run fast, filter faster. The UltraFlask+ filter cap threads seamless onto all of HydraPak’s 42 mm 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.
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