The Weber porcelain-enameled flavorizer bars are a replacement part for your Weber grill. Porcelain-coated steel heat tent. Compatible with Weber Spirit 300 (side mounted knobs only), 700, silver, gold and platinum B/C. Does not fit front-mounted control panel models. Weber flavorizer bars are easy to install. Dimension of 22-1/2 x 2-3/8 x 2-3/8 in.