This electrically powered model may be the right choice if you are looking to upgrade your gas cooktop ... size cooktop. A majority of induction cooktops with downdraft measure 30 inches, but ...

30” Gas Cooktop from Gallery Series made of Cast Iron. LP conversion kit included Cooktop exterior dimensions – 21-3/4” D x 30” W x 5” H. Cut/out dimensions – 19-1/8” to 19-3/4” D ...

Even better, the GE Profile 30” has a bridge element. This is an essential feature for any electric cooktop with downdraft. It allows you to combine multiple cooking elements into one cooking area.