HydraPak 42mm Plug-N-Play Cap

Convert any HydraPak Flask, Seeker or Flux bottle into a bladder.  If you've got a hydro tube with a quick connect coupling, it'll plug directly into this Cap.  Makes changing out bottles a breeze.     The *NEW* 42mm Plug-N-Play Cap threads seamlessly onto all sizes of HydraPak's 42mm Seeker, Flux, Skyflask and other soft bottles letting you transform them into awesome Plug-N-Play hydration solutions.  100% BPA and PVC free Comes with a protective plug lanyard to keep it internals clean and ready to connect to a hydration tube or filter  42mm Cap is compatible with any of  Hydrapak's 42mm threaded Bottles, including SkyFlask, Seeker and Flux bottles Add the optional Tube Connector if you want to connect to a tube with a bite valve Compact and Lightweight (22g)