For maintaining the opening of the stoma while providing pulmonary rehabilitation with use of a Provox HME.
Soft, silicone buttons may be secured with Provox® TubeHolder, Provox® LaryClip™ or Freevent® Neckband if required.
Non-sterile, reusable, for single patient use.
OD = outer diameter (in mm)
L = length (in mm)
