HydraPak UltraFlask+ 500ml - Filtered, Compressible Soft Flask Water Bottle for Hydration Vests and Running Packs with Integrated Water Filter (500ml / 17oz)

TheClear UltraFlask 500ml + Filter Kit is a compressible and practical filter flask from the brand Hydrapak.Compact and flexible, it can be stored in any backpack or running vest. In addition, thewide opening makes it easy to fill, while the quick-flow valve allows you to achieve hydration quickly and easily.As for the integrated filter, it effectively removes bacteria and parasitic cysts, ensuring you have safe, healthy drinking water at all times. Finally, thanks to the backwash system, you can easily clean the filter and maintain its performance at the highest level.This filter flask provides a practical and reliable hydration solution for your outdoor activities.CAUTION: Do not use the filter with iced drinks as these liquids can damage the hollow fibre membrane. It is also recommended to remove the filter in very cold temperatures.