BBQ GRILL SMOKE TUBE - Gas, Charcoal, Propane, Wood Pellet Smoker GMG-6027 Comes in an expandable model going from 11" to 18" for longer smoking time. Burns/Smokes for up to 5 hours. Durable Stainless steel construction. Cold smoke cheese and nuts, or hot smoke steaks, chicken, pork, lamb, ham and fish.