https://www.johnsoncontrols.com/hvac-equipment/air-distribution/terminal-units/variable-air-volume-terminals/ultra-quiet-series-flow-fan-powered-tcsq
Ultra-Quiet Series Flow Fan-Powered (TCSQ) | Johnson Controls
Johnson Controls' Series Fan Powered Variable Air Volume terminals offer tremendous flexibility to meet a wide variety of HVAC systems design requirements.
series flow fan poweredultra quietjohnsoncontrols