1.Purchase Notes: Does not fit Weber Spirit E-310 320 models with side burner knobs. Compatibility: Replacement flavor sticks and burners for Weber Spirit E-310, S-310, E-320, S-320, E-330, S-330, SP-330 with front burner knobs.2. [Porcelain steel flat bar]: Porcelain steel has good thermal conductivity and bakes more evenly. The coating residue also reduces the risk of fire.3. Burner: Made of 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 steel seasoning sticks. Burner size: left and right main burners are 18 inches, center main burner is 17.7 inches. The cross-shaped burner is 38.7 cm long.5.Arc Design: Enamel material, non-stick, easy to clean. Both sides of the rod are bent inwards by 5 mm to ensure greater stability and durability. Safe installation without sharp edges.