








Product Details
Carry less water and filter on the fly. Building on the innovative PackFlask™ design, this
enhanced system features an integrated filter for fast, reliable hydration on the trail. Simply find a water source, fill and drink directly through the high-flow, self-sealing nozzle. The filter screws securely onto the flask, doubling as a squeeze filter for filling bottles or pots at camp. The stretch-mesh pouch securely attaches to your pack harness for hands-free use.
FILTER FACT SHEET | FILTER USER MANUAL
*Effectively removes common waterborne bacteria, such as E.coli (99.999%) and parasitic cysts (99.9999%) per HSF 42.
Features

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.*
Sized for easy integration with the pouch, the empty PackFlask™ bottle packs small — just flatten, roll, and stash it away.
Protects the nozzle from dust, mud, dirty hands and bacteria. Quickly opens and closes with a single-handed flip.
Lighter than traditional bottles, and made of durable TPU with RF-welded seams.
Plugs into filter valve and threads onto a bottle of clean water for backflushing the filter to restore flow rate.