Smoke Daddy 8 Inch Cold Smoke Generator Uses Your Choice of Fuels Assembled Dimensions: 12" x 2-1/2" - Holds 1-1/2 cup of fuel Specifically designed to use any flavor wood chips and chunks Smokes for 45 minutes to an hour. The Smoke Daddy 8 is for the larger BBQ grills and medium size smokers and works best with small wood chips and pellets. Great for smoke at temps below 100 degrees. Good for hot smoking as well. Easy to install; attaches up to a 4" wall thickness