Datex Ohmeda Modulus SE Features Ascending bellows ventilator (7800 or SmartVent 7900). Modes CMV, PCV (withSmartVent), Manual/Spontaneous. Mechanical/pneumatic flowmeters (needle valves and glass flowtubes) and vaporizers. Traditional size, configuration of absorber head and higher-volume breathing circuit. Loose absorbent granules or canisters. Removable vaporizers. Can be used with non-rebreathing circuits. Opened or closed scavenger interface. Montering Included: Volume Pressure and Oxygen Inspired.