Technical specifications Enables the supply of total requested air flow in operation theatres by completing a primary low air flow by recycled air. Enables, for rooms with a fixed air flow, to increase with one or two sizes the dimensions of the supply ceiling. Modularity: organization of the recycling modules at demand. Enables the use of Air treatment. Units of small sizes. 4 ventilation modes possible (stop, night, day and/or fast decontamination. ECM motor (low consumption). Ceiling with unidirectional flow in operating rooms with Risk 4 (according to NF S 90-351). In renovation when it is impossible to bring the entire air flow requested through the handling central or the duct networks. Additional installations exist if you want to increase the air flow supply.