15" x 15" x 1,75", Napoleon, Charcoal Tray, Made Of Solid Cast Iron With A High Temperature Paint, Fits All Napoleon Gas Grills, Allows You To Cook With Charcoal In Your Gas Grill, Place Charcoal Tray Under Your Grids & Sear Plates/Flame Tamer, Light The Gas Burner To Ignite The Charcoal, After Lit Turn The Gas Off & Cook On Charcoal, Can Not Be Used With Any Other Brand Of Gas Grill, All Napoleon Fireboxes Are Rated Up To 1800 Degrees Fahrenheit & Can Withstand The High Temperatures Of Charcoal Fires.