





Flask with filter -
The UltraFlask 500ml + Filter Kit Clear is a compressible and practical filtering flask from the brand Hydrapak.
Compact and flexible, it can be stored in any backpack or running vest. Additionally, the wide opening makes filling easy while the quick-flow valve allows you to hydrate easily and rapidly.
As for the integrated filter, it effectively removes bacteria and parasitic cysts, ensuring you have safe and drinkable water in all conditions. Finally, thanks to the backflush system, you can easily clean the filter and maintain its performance at the highest level.
Thus, this filtering flask offers a practical and reliable hydration solution during your outdoor physical activities.
WARNING: 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.


- Self-sealing bite valve with high flow rate
- Wide 42 mm opening
- Rinse adapter to clean the filter and restore flow rate
- PNP Inline filter included in the kit
- Compressible
- Compatible with most race vests
Filter:
- Removes 99.99% of E. coli bacteria and parasitic cysts
- Lifespan: 1500 litres
- Flow rate: one litre per minute
Composition:
- Bladder: thermoplastic polyurethane (TPU)
- Filter: silicone, POM plastic, ABS, hollow fibres
- 100% BPA and PVC free
Dimensions: 24 x 7 cm