EFI RCTSP-18-2N double stock pot range in natural gas. Durable stainless steel structure that is corrosion resistant and easy to clean. Extended top side walls to hold grates in place. Highly efficient stainless steel burner, for maximum heat transfer. Manually controlled valves for each burner, giving the ability to adjust and save energy. Standby pilots for instant ignition. Heavy duty cast iron top grated. Adjustable stainless steel legs included. 3/4" NPT on rear of appliance. 160,000 BTU, cETLus, ETL-Sanitation.