GE 30-Inch 4 Sealed Burner Built-In Gas Cooktop, Black Approx. Product Dimensions (WxHxD) (in.) 30 in x 3 3/16 in x 21 in Cutout Dimensions (WxD) (in.) 28-1/2 x 19-5/8 Cooktop Burner Type: 4 Sealed Ignition System:	Electronic