Our Gravity Fed Smoker from Old Country features a fully-insulated chamber that allows up to 12 hours of cooking without additional charcoal. It features a carbon steel construction. This commercial grade system has a grease drain valve for easy clean up. This unit has ample cooking space: a 1082 square inch cooking surface on slide out shelf trays. The three clamps ensure a tight seal, and the heavy casters allow the unit to move around easily. Available at Fireplace Specialties!