Seat Displacement Outlet Q-ST Data : Supply air volume flow rate: up to 14 l/s [50 m³/h] Nominal sizes: DN 100, DN 127 and DN 190 Sound power level: ≤ 16 dB(A) ref. 10-12 W admin February 7, 2017 Features For rooms with raised floors or floor plenums and permanent seating Air outlet built into seat leg Low-turbulence, horizontal, radial jet dispersion above floor Very low sound power level Suitable for all seat designs Catalogue