The Solaire Stainless Steel Wood Chip Smoker Box for 21-Inch XL Grills provides a premium accessory for use with your Solaire grill. Featuring 304 stainless steel construction, this high quality smoker box has been built to the same high standards as Solaires fine grills. This unique accessory fits under the grilling grate of the grill and is heated by the main burner. The resulting smoke adds a natural smoky flavor to your food for an added level of quality designed to take your recipes to new heights. Get the most out of your outdoor kitchen setup with superior products from Solaire.