Tubo Vertical de Canalización de Humo
(Vulcan-Hart 34DFS54 Backguard Flue Riser)

Reinforced Riser, for standard or convection ovens (if mounting a 24" cheesemelter or either of the salamanders on a back riser above the heavy duty range, you must add this)

Single-deck flow-thru hi-shelf, non-overlapping, 18"

Single-deck hi-shelf riser, non-overlapping, 12"