23" Ultimate ~ Dual-Dial draft door upgrade - Black 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.