There are two models. Both are 16″ deep and 44″ high (the cooking chambers are 30″ high), while one is 18″ wide with a footprint 24″ wide by 21″ deep, and the other is 24″ wide with a footprint of 30″ wide and 21″ deep. If you are going to cook full racks of ribs, the 24″ unit is the better choice. Both feature a 20,000 BTU propane burner, a stainless steel water pan, a cast iron wood chip box, four removable racks, and a push button ignitor. The 24″ unit lists for about $420. For discount pricing and direct ordering from Amazon.com, click here. The 18″ lists for about $315. For discount pricing and direct ordering from Amazon.com, click here.