Material: The cold smoke generator is made of stainless steel for durability. APPLICATIONS: Smoked coils for smokers, ideal for cold smoking a variety of foods such as salmon, sausage, duck breast, filet mignon, pork, chicken, cheese, fish, etc. ... suitable for most grills. Design: The surface of the generator is screened for better air circulation in the sawdust. The spiral shape, allows slow combustion, no flame, no external heat source, can be used for a long time. Use: Easy to use, just place the sawdust in the spiral and light it with a lighter, a tealight or a sawdust lighter (not included). NOTE: Make sure the sawdust is level and the top of thethe spiral is visible. Economical: For use with various wood pellets like cherry, pecan, mesquite, apple, pecan, beech, etc. With very little sawdust, it produces hours of smoke.