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The Ultraflask 500 ml from Hydrapak is a flexible bottle with an integrated filter that allows you to drink water directly from any source. Its filter eliminates bacteria and cysts, providing safe hydration in your outdoor activities.
Lightweight and compact, it fits most backpacks and hydration vests. Its flexible design reduces its size as you drink, minimizing water movement. The high-flow bite valve automatically seals after each sip, preventing dripping.
Characteristics:
- Integrated filter: eliminates bacteria and cysts.
- Capacity: 500 ml.
- Lightweight and foldable.
- Adaptable to backpacks and vests.
- High flow bite valve.
- Large opening for easy filling.
- Backwash adapter included.