SmokeCage&reg; Classic Adds real woodsmoke flavor to your grilled foods. Uses natural tree nutshells harvested right from the tree! We're the only company in the United States that offers you this uniquely integrated enhanced grilling solution. American made of durable, lightweight high-grade steel. Means quick heat-up and cool down time. Fast grill readiness. Uniquely versatile design. Doubles the duty of your gas grill by adding a smoker feature! Sleek cylinder, adjusts easily, handles well with tongs! Easy on, easy off simple friction-lid design. Keeps your nutshells held secure in grill. NO MESS when SmokeCage is duty cycle complete. Re-usable, portable, compact design. Take it with for camping, RV, or tailgate cooking.