DPAP20 Plus with modes CPAP, S, S/T, T, Bi-level Noninvasive ventilator for respiratory therapy. 2.8" TFT ... log on running & patient complianceSpecificationsModel ParametersDPAP20 Plus ModesCPAP, S ,S/T,TIPAP4-20 cm H2OEPAP4-20 cm H2OCPAP4-20 cm H2ORise ... change without notice DPAP20 Plus with modes CPAP, S, S/T, T Bi-level Non invasive ventilator BPAP