35.4" 900mm 4.05" 20.1" 510mm 103mm Product Dimension(WxDxH) 900mmx510mmx103mm Product Dimension(WxDxH) 35.4"x20.1"x4.05" 33.07" 840mm 480mm Cut-Out Dimension(WxD) 840mmX480mm 18.9" Cut-Out Dimension(WxD) 33.07"x18.