WELLAND 6 Inch x 12 Inch Red Oak Hardwood Vent Floor Register Flush Mount, Unfinished DIMENSION - Fits a duct size opening of: 6" x 12" ,More detail refer to the bottom of the page please PREMIUM MATERIAL - Made of Unfinished Solid Red Oak DESIGN - Flush Mount with frame; Louvered Wood Design floor vent cover APPLICATION - Wall registers; Wood registers; Air registers; Heat registers; Register covers WARNING - BEWARE of other sellers selling WELLAND vents. WELLAND vents can only be sold by WELLAND Made of two parts ,Easy to install Flush Mount Floor Register Vent Fits a duct size opening of 6&#034; x 12&#034; overall dimension is 9&#034; x 14.75&#034; x 0.75&#034; 3/4&#034; Thickness Beautiful and High Quality. Authentic WELLAND product Measure the size of the duct opening. Do not measure your current floor register. Fits a duct size opening of: 6&#034; x 12&#034; you must measure the size of the duct opening