Lighten your load and drink right from the source. HydraPak took their go-to flask and added filtration to create a system that delivers hydration without contamination. The filter — light and compact — screws on top so you can drink right from the flask. Or — if you’re carrying more water — use the system to fill a bottle or reservoir.

*Effectively removes common waterborne bacteria, such as E.coli (99.999%) and parasitic cysts (99.9999%) per HSF 42.

Features: 

• Easy to use
• Fits running packs and vests
• Lightweight
• Packs down
• Material - TPU, Silicone POM, Hollow Fiber, ABS

• Capacity - 500 ml / 17 fl oz

Care: Avoid freezing filter. Freezing may ruin the hollow fiber membrane. If in freezing conditions we recommend you keep the filter in your pocket or near your body to prevent freezing.