GrillPro Cast Iron Barbecue Smoker Box is designed with a sealed construction that effectively holds liquids to add moisture during the smoking process, enhancing the flavor of your barbecue. This 4 inch by 5 inch cast-iron box allows you to infuse your food with smoke flavor by simply adding smoking chips. Its compact size makes it easy to place in the center of lava rocks, providing a straightforward way to achieve that rich, smoky taste you desire. The product comes shrink-wrapped for convenience and protection. Model Number: