Charmglow Brinkmann Stainless Steel Natural Gas Built In / Drop-In Sear Burner 814-6805-N Charmglow Brinkmann Stainless Steel Natural Gas Built In / Drop-In Sear Burner 814-6805-N High Heat Out Put Sear Burner 14,000 Btu's 152 Sq Cooking Inches Designed for Natural Gas Only Drop In cutout dimensions Length 18.5" Width 12.75" Height 9.5" Construction Stainless Steel