3500 BTU's per burner. Natural or LP Gas. Control knobs with 3 settings. Pilot indicator openings. Fiberglass insulation between each compartment. Stainless steel undershelf on all units. 1" thick poly cutting board is 8" wide. Dry gas and electric units are used to maintain the temperature of pre-cooked foods. These units are designed for dry operation. To keep food moist, add a spillage pan with 1-2" of water.