Two solid brass 15,000 BTU natural gas burners for better control. Back-lit control knobs on stainless steel facing. Stainless steel cooking grids are standard. The stainless steel lid protects the interior of the unit from the elements. The hot surface ignition ensures that the burner lights quickly every time. This Side Burner hooks up to Fire Magic Echelon Diamond Series Grills. Expand your outdoor kitchen cooking area for side dishes or sauces. Cut out dimensions: 11.5"W x 22.75"D x 11.5"H.