HydraPak - UltraFlask™+ Filter Cap

Run fast, filter faster. The UltraFlask+ Filter Cap threads seamless onto all of HydraPak’s 42mm running flasks and handhelds for a lightweight, straightforward filtration solution. Featuring a traditional bite valve and cap design, runners can drink freshly filtered water directly through the high-flow Blaster valve.

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

Features:

• FAST & SAFE FILTRATION: The integrated filter removes Escherichia coli bacteria, Cryptosporidium parvum cysts, and Giardia Lamblia from approximately 1,500 liters of water at a rate of >1L per minute.*
• 42MM THREAD COMPATIBLE: Easily thread the filter onto some of the most popular running softflasks, flexible bottles and water storage containers.
• LIGHT & COMPACT: 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.
• HIGH FLOW: Easy to drink bite valve auto-seals after each sip, eliminating annoying drips.
• INCLUDED BACKFLUSH ADAPTER: Plugs into filter valve and threads onto a HydraPak Stow or bottle of clean water for backflushing the filter to restore its flow rate.

Specs:

• Weight: 36 g / 1.3 oz
• Dimensions: 42 mm
  
• Material: ABS, POM, Silicone, Hollow Fiber