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Quantity
1
Seamless thread-on design: Instantly attaches to Hydrapak 42mm running flasks and handhelds for a compact, lightweight solution
Integrated filter removes bacteria and cysts: Effectively eliminates Escherichia coli, cryptosporidium, and giardia for safe drinking water
High-flow Blaster valve: Allows direct, easy drinking with minimal wait time
Auto-sealing bite valve: Prevents drips and spills after each sip for mess-free hydration
Backflush adapter included: Enables filter restoration and extended use
Summarized by Shop
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.
*Effectively removes
Thread Diameter
42 mm
Weight
36 g (1.3 oz)
Material
ABS, POM, Silicone, Hollow Fiber
Filtration Capacity
Removes Escherichia coli, cryptosporidium, giardia from up to 1,500 liters