Stainless Steel 9-Hole Burnpot Upgrade designed for the Pellet Pro Hopper Assemblies and other Pellet Grills as a possible upgrade. Features: 9-Hole Design which allows more airflow to the fuel for a cleaner burn and faster startup, 301 Stainless Steel will not rust or warp. Compatible with any grill that uses a 3-1/2″ diameter burnpot and 4″ bolt pattern. Compatible with most pellet grill brands! Traeger, Pit Boss, Camp Chef, Etc….