Zline rt36 36-inch porcelain rangetop with 6 gas cooktop italian burners with cast iron grill stovetop, stainless steel 1 heavy duty italian made porcelain one piece cook top with 6 burners provide the perfect range of cooking power from 4,200 to 18,000 btu's. Durable and easy to clean top controls. Italian burners easily detach for a simple clean. Solid-piece cast iron grill - heavy duty and built to last. Extremely durable, with an exceptional strength-to-weight ratio.