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

WM TEMP RATING: -23°C

Contrasting stitching

Weight: 470 g/1

a packed size not much larger than a 1L water bottle and a 4

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