About This Easily set up your grill for high-heat searing or low-and-slow cooking. Comprised of a cone and diffuser ring, it reduces the guesswork for less experienced grillers and adds a new level of mastery for backyard pros. FUEL EFFICIENCY: Easy set up for up to 7 hours of low-and-slow temperature (225°F-275°F) before needing to refuel when used with charcoal briquettes MAXIMIZE SPACE: Diffuser ring maximizes entire 22” cooking grate for indirect low-and-slow cooking providing plenty of room for larger foods like pork shoulders and more SEAR: Creates extreme direct high heat for searing and convection heat for crispy wings, veggies and more ADD MOISTURE: Convenient space for water pan to maximize moisture and flavor during low-and-slow cooking EASY STORAGE: Securely connected 4-piece diffuser can be taken apart for deep cleaning or long-term, compact storage Overview Brand : Weber Material : Stainless Steel Item dimensions L x W x H : 12.38 x 13.5 x 5.75 inches Item Weight : 2.1 Kilograms Number of Pieces : 1