Blaze Insulated Jacket For 32-Inch 4-Burner Gas Grills - BLZ-4-IJ. BLZ-4-IJ. Insulated Grill Jackets. This Blaze insulated jacket is a safety essential when installing your Blaze Blaze Prelude LBM or Blaze Premium LTE 4-burner gas grill into a combustible enclosure such as an outdoor kitchen or BBQ island. This insulated jacket is constructed of stainless steel with a self-supporting ledge around the sides and back that adds one more layer of quality to your outdoor kitchen. Not for use with Blaze Charcoal or Professional LUX Grills. Cutout Dimensions (in inches): 33 W x 22 1/4 D x 9 5/8 H.Some assembly required....