HydraPak 28mm Plug & Play Filter Kit Mountaineering glasses giving you the freedom of

giving you the freedom of reliable light you can use again and again while running

So get on out there and make each mile count

Cap Diameter: 53 mm

Sizes: Women's US 6-11 (whole sizes only)

Improve circulation and faster muscle recovery

HydraPak 28mm Plug & Play Filter Kit Mountaineering glasses giving you the freedom ofSqueeze or Gravity Fed Inline Water Filter. Overview Access 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,