Run fast, filter faster. The UltraFlask+ Filter Cap threads seamlessly onto Osprey's 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 valve.
Product includes cap, filter and backflush adapter.
Diameter 42 mm Weight 36 g / 1.3 oz
Effectively removes common waterborne bacteria, such as E. coli (99.9999%), and parasitic cysts (99.999%) per EPA Guide Standards and NSF P231 and microplastics (99.999%) per NSF 42 greater than or equal to 3.0 microns in size.
FAST & SAFE FILTRATION
Removes 99.99% of E Coli & Parasitic cysts. Filters approximately 1,500 liters of fresh water at a rate of >1 L per minute.
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 bottle of clean water for backflushing the filter to restore its flow rate.
