b'Vacuum Chamber ApplicationRemove the vacuum chamber from the tray. Cut tubing to desired length for positioning vacuum chamber.Securely attach tubing to vacuum chamber hose barb until it ispast the leading edge of the hose barb. Once the vacuum chamber and dressing are connected by the tubing, the system is ready to be activated.Activating Vacuum Chamber *NOTE: The vacuum chamber does not require calibration for use.Grasp the chamber firmly with one hand during activation. 1.PULL - Pull firmly, slowly, and horizontally on the white Activation tab #1, removing it completely from the activation slot located on the top of the chamber. This action activates the vacuum pump. Discard the pull tab.112NP SIMS Health Care Practitioner Instructions for Use (IFU)'