UltraFlask+ Filter Cap Color:Grey/HP Blue WM TEMP RATING: -23°C

WM TEMP RATING: -23°C

This product is not personal protective equipment

yet it is as important to performance as strength

Contrasting stitching

so you never have to be without your coffee

UltraFlask+ Filter Cap Color:Grey/HP Blue WM TEMP RATING: -23°CRun fast, filter faster. The UltraFlask+ Filter Cap threads seamless onto all of HydraPaks 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. Features FAST & SAFE FILTRATION: The integrated filter removes Escherichia coli bacteria, Cryptosporidium parvum cysts, and Giardia