Turn almost any grill into a smoker with the A-MAZE-N 6 in Smoker Tube Combo Pack. The 6-inch smoker tube produces smoke for up to 2 hours even in cold weather conditions and is made from stainless steel for lasting use. Designed to work at 225 degrees or higher, this tube includes a gel fire starter (4 ounces) and Pitmaster's Choice barbecue pellets (12 ounces with 2 uses).