A duct body F30 having a straight tubular shape is provided to a duct F3 of an air conditioning function-equipped console device F1, a fin member F35 provided inside the duct body F30 faces a front blowout port F33 of the duct body F30, fin bodies F36 of the fin member F35 are arranged in an axial direction of the duct body F30, and projected areas of the respective fin bodies F36 when projected in the axial direction increase from the fin body F36 on an inflow port F31 side toward the fin body F36 on a rear blowout port F32 side. Alternatively, a damper S4 is disposed on a far side of a blowout port S2 of a duct S3 in an air conditioning duct device S1, an operation portion S5 connected to the damper S4 and partially exposed in a vehicle compartment S95 is provided, the blowout port S2 has a long shape, and at least a part of the operation portion S5 is located on an outer side in a short-side direction with respect to the blowout port S2.