Grill delicious food on the reinvented 4-burner, stainless-steel Spirit SP-425 propane gas grill. Create bold, flavorful sear marks with two red Boost Burner knobs that unleash 40% more power in the Sear Zone. Ignite each individual burner with one hand with Snap-Jet Ignition and control heat precisely with a full range of temperatures from high to low. See the cooking temperature at a glance with a digital thermometer and move your outdoor grill easily with the heavy-duty, locking casters that swivel and lock. Make the most of your space by adding a variety of Weber Works drop-in accessories (sold separately) to the side table and snap-on accessories (sold separately) to the side rails. Transform your 4 burner 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). Liquid Propane tank sold separately. *