An essential grill accessory, the American Outdoor Grill Smoker Box (3561) with adjustable air vent allows you to impart the wonderful flavor of smoke while using your gas grill. The adjustable air vent allows you to control the smoke level and the hinged lid makes it easy to add wood chips. Great for use with pork, fish, chicken, and meats of all types. Turn your American Outdoor Grill (AOG) into a natural wood smoker. This smoker box is designed for use over main burners with flavor grids/vaporizer panels only. Do NOT use over your infrared burner(s).