23" Ultimate ~ Dual-Dial draft door upgrade - Brown Knobs 32" Big Bad Komodo The heat transfer formula is

The heat transfer formula is designed for medium to thick pizza crusts and breads

6" reducer is orange for chickens and smaller cuts

Please remember these are large and heavy

It effectively keeps heat and ash from reaching the draft door

23" Ultimate ~ Dual-Dial draft door upgrade - Brown Knobs 32" Big Bad Komodo The heat transfer formula is23" Ultimate ~ Dual Dial draft door upgrade Brown Knobs CNC laser cut brushed 304 Stainless and Teak. Knobs have threaded sleeve, guide rods are adjustable using the bolts and nuts. Can be used on earlier 23" Gen II thru the new ultimate models. If in question please give customer service your grill's serial number on the stainless tag on the inside rear wall of your grill.