Lumis™ 150 VPAP ST is a non-invasive ventilator designed to provide personalised ventilation to support your respiratory condition. Featuring iVAPS (intelligent Volume-Assured Pressure Support) mode, Lumis 150 VPAP ST maintains ventilation at an alveoli level to suit your changing needs.  And with an intelligent Backup Rate (iBR) and optional AutoEPAP technology, iVAPS continuously monitors your ventilation and your upper airway.