Grill delicious food on the reinvented 4-burner, stainless-steel Spirit SP-425 natural gas grill. Two red Boost Burner knobs unleash 40% more power in the Sear Zone. Ignite each burner with one hand with Snap-Jet Ignition and control heat precisely with a full range of temperatures. See the cooking temperature at a glance with a digital thermometer and move your outdoor grill easily with heavy-duty, locking casters that swivel and lock. Make the most of your space by adding a variety of Weber Works accessories (sold separately). Transform your grill into an outdoor griddle with a rust-resistant griddle insert (sold separately) or turn your grill into a pizza oven, wok, Dutch oven, and more by adding a Weber Crafted frame kit and custom-fit grillware (each sold separately). This 4 burner grill's fuel type is Natural Gas and only works with natural gas plumbed to the house. Does not work with bottled gas or bulk liquid propane of any type. *