Hydrapak Ultraflask+ Filter Cap

- The integrated filter removes Escherichia coli bacteria, Cryptosporidium parvum cysts, and Giardia Lamblia from approximately 1,500 liters of water at a rate of >1 ltr per minute.*
- Minimal design and lightweight materials make this filter the ideal choice for runners. It takes up no extra space when stored or threaded directly onto a flask.
- Easy to drink bite valve auto-seals after each sip, eliminating annoying drips.
- Easily thread the filter onto some of the most popular running softflasks, flexible bottles and water storage containers.
- Plugs into filter valve and threads onto a HydraPak Stow or bottle of clean water for backflushing the filter to restore its flow rate.

- Weight: 36 g / 1.3 oz
- Dimensions: 42mm

- Material: ABS, POM, Silicone, Hollow Fiber

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.