The 2200IE is a fireplace insert that will greatly improve the efficiency of your existing fireplace. The 1.2 cubic foot firebox will accept logs up to18 inches long. It comes with the hearth surround to fully enclose the existing fireplace.Up to 69,000 BTU's Heating up to 1,800 sq. ft 18 Log length Blower included EPA Certified Air wash glass 6 Inch flue collarDepth Blower: 20 Fireplace Opening: 29W x 23H x 14D Flashing: 44W x 30-1 2H Height: 21-1 2 Weight: 296 Width: 22-1 4