WELLAND 4x10 White Oak Wood Flush Mount Floor Register Vent Unfinished, 3/4 Thickness Fits a duct size opening of 4" x 10", Overall dimension is 12.375" x 6.75" x 0.75" Made of Unfinished Solid White Oak,Flush-mount vent sits flush with 3/4" hardwood floor Louvered Wood Design floor vent cover APPLICATION - Wall registers; Wood registers; Air registers; Heat registers; Register covers For more details, please check the bottom of the page to choose the right size Fits a duct size opening of 4&#034; x 10&#034; Overall dimension is 12.375&#034; x 6.75&#034; x 0.75&#034; Please read the picture carefully Flush-mount vent sits flush with 3/4&#034; hardwood floor Made of Unfinished Solid White Oak Flush Mount with frame Louvered Wood Design floor vent cover Made of two parts ,Easy to install