Blaze Insulated Jacket For 25-Inch 3-Burner Gas Grills - BLZ-3-IJ. BLZ-3-IJ. Insulated Grill Jackets. This Blaze insulated jacket is a safety essential when installing your Blaze or Blaze Prelude LBM 3-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 Professional LUX Grills. Cutout Dimensions (in inches): 25 9/16 W x 22 1/4 D x 9 5/8 H.Some assembly required....