ABM Respiratory Care BiWaze Cough Assist System Certified Pre Owned Men's Slipper Smooth Toe New Breas HDMVivo 50 Dual PNA1410 New Breas HDMVivo 50 Dual Limp with Exhalation Valve Disposable Breathing Therapy Patient Circuit 005611 and full operation manual Inspiratory FlowWhile the expiratory switching is desired to be fast and at high flow to simulate cough 5″ H) Weight 9lbs (4kg) including internal battery Presets Up to 10 Modes Automatic and Manual Maximum positive pressure 70 cm H20 Maximum negative pressure 70 cm H20 Maximum pause pressure 15 cm H20 Inspiratory time 0 – 5 seconds (auto mode only) Expiratory Time 0 – 5 seconds (auto mode only) Pause Time 0 – 5 seconds (auto mode only) Inspiratory Flow Low