Onlyfire Gas Grill Replacement Porcelain Steel Flavorizer Bars/Heat Plate/Heat Shield for Weber Models Grills Set of 5, 21 1/2''x1 3/4'',OEM/ODM, Aftermarket Replaces Original part number: 7534; Item dimensions: 21 1/2" L x 1 3/4" W x 1 1/2" H Patented steel bars create delicious, barbecue flavor Works by vaporizing juices and fats to create smoke Porcelain-enameled steel for even heat distribution; Flavorizer bars come five in a pack For use with Weber Spirit 500 and Genesis Silver A grills