6 X 6 (Duct Opening Size) Air Register 4 Way Stamped Steel with Damper (Color-White) Stamped Face Fixed Vane 6x6 Stylish 4 way register for ceiling supply air. Steel construction. Vanes are fixed. Manual shutter damper opens and closes with lever. Color-White. Comes with mounting screws. Fits 6" x 6" opening. Register face is 7-3/4" x 7-3/4".