Lightweight， durable， and portable stainless steel smoke generator is designed to burn pellets. Produces smoke during cold smoking and hot smoking at higher temperatures up to 325 degree F. Turns any grill into a smoker， and supplements smokers that do not produce much smoke. 12 In. to 18 In. expandable tube can provide smoke for up to 6 Hr. Works with gas grills， charcoal grills， pellet grills， electric smokers， and gas smokers up to 325 degree F. Smokes meats， cheeses， fish， nuts， and more. Dishwasher safe.