Hydrapak 28mm Filter Kit Bike Packing Under or between the arms

Under or between the arms and sides of the body

and OD Green or clear PVC

10 top stops

and a weight 80% lighter than most hard bottles

But our frosted grey and red sunset Classics get a cool

Hydrapak 28mm Filter Kit Bike Packing Under or between the armsAccess potable water anywhere. Our unique and versatile 28MM inline filter threads directly onto popular 28MM opening bottles and flasks and is equally easy to install in any of our reservoirs and caps with a Plug N Play connect system. This versatile connectivity makes our filter a great backcountry water treatment solution whether you are squeezing your water from a Stow into another bottle, gravity filtering your water out of a Seeker or Pioneer