Fits a DUCT SIZE opening of: 6" x 30". The Overall size of the flush mount register INCLUDING the frame is: 8 and 3/4" x 33". Flush-mount vent sits flush with 3/4" hardwood floor. The frame is tongue and groove structure for easy installation. PREMIUM MATERIAL - Made of Unfinished Solid White Oak wood, Select Grade Wood. DESIGN - Flush Mount with frame; Eggcrate Wood Design floor vent, Eggcrate design maximizes air flow.
