Pset_AirTerminalTypeSquareDefinition from buildingSMART International: Square air terminal type attributes.
Entity specific property setIfcAirTerminalTypePSET.Pset_AirTerminalTypeCommon.Shape="SQUARE"FaceTypeFOURWAYPATTERNSINGLEDEFLECTIONDOUBLEDEFLECTIONSIGHTPROOFEGGCRATEPERFORATEDLOUVEREDOTHERNOTKNOWNUNSETIdentifies how the terminal face of an AirTerminal is constructed.