Summit 30" Natural Gas Cooktop With 4 Sealed BurnersProduct Overview GC432B 30" Gas Cooktop by Summit comes with 4 Sealed Burners and also features Continuous Cast Iron Grates, Designer Push to Turn Knobs and LP Conversion Kit Included. Features: Sealed burners Quality burners by Defendi with cast iron caps ensure lasting durability and easier cleanup Steel surface in black matte finish Durable cooktop surface features a unique black finish in matte style Continuous cast iron grates Solid cast iron