Masterbuilt Gravity Series 800 Manifold Kit & Griddle OptionsProSmoke BBQ Exclusive High quality cast iron Steel manifold ProSmoke approved The Masterbuilt OEM griddle made from heavy duty cast iron and the directional heat manifold are always advised to be bought and operated together, as the standard Masterbuilt manifold does not direct enough heat to the griddle for it to be effective. See the below video showing all the possible uses of this amazing set. Fits Models 800 Models only, NOT 560 or