1. Purchase Notes: Not suitable for Weber Spirit E-310 320 models with side burner knobs. Compatibility: Replacement flavorizer bars and burners for Weber Spirit E-310, S-310, E-320, S-320, E-330, S-330, SP-330 with front-mounted burner knobs. 2. [Porcelain-enameled steel plate]: Porcelain-enameled steel has good thermal conductivity and bakes more evenly. The coating residue also reduces the risk of fire. 3. High-quality burner: Made of high-quality 304 stainless steel to ensure long life and non-magnetic. Strong corrosion and heat resistance, as well as improved ventilation protection design, provide you with an excellent and safe cooking experience. 4. [Product content]: 3 main burners and 1 horizontal burner, 5 porcelain-enameled steel flavorizer bars. Burner size: left and right main burners are 18 inches, middle main burner is 17.7 inches. The cross burner is 15.25 inches long. 5. Arc design: Enamel material, non-stick, easy to clean. Both sides of the bar are curved inwards by 5mm to ensure greater stability and durability. Safe installation without sharp edges.