This insulated jacket is a necessity when installing a gas grill into a combustible enclosure (lumber, plastic, resin, and other combustible materials). The Bull BBQ 30-inch insulated grill jacket (47017) has a stainless steel exterior with a self-supporting and trimming design for simple installation. Designed for use with Bull BBQ 30-inch built-in Angus, Lonestar Select, and Outlaw gas grills.