Vaggan Rectangular Kitchen Barbecue BBQ Stainless Steel Metal Smoking Smoke Smoker Box Without Wood Chip. Key Product Features. Material: Stainless Steel. Size: 24 x 10 x 4.5cm Approx. Add delicious smoky flavour to the food on your gas or charcoal grill. Fill stainless steel smoker box with dry wood chips. Place smoker box directly on coals if using a charcoal grill or between flavorizer bars and grill grates if using a gas grill. Soaking wood chips prior to smoking ensures they burn slowly and can reach maximum flavouring potential. Wood Chips Not Included.