PREFECT FIT - Fits for Weber Genesis 300 series gas grill (2007-2016): Genesis E-310, E-320, S-310, S-320, EP-310, EP-320. Also fits for Weber Genesis 300 series gas grill (2011-2016): Genesis E-330, S-330, EP-330. ▲ MISMATCH for Weber Genesis II 300 or Genesis II LX 300 Series SIZE & PACKAGE - 19.5 x 12.9 inches for each grate, 19.5 x 25.8 inches for total, set of 2 packs. PART NUMBER - Replacement for Weber 7524, 7528 EXTREMELY DURABLE - Grill grates part made of cast iron, well-engineered and built to last. Sturdy with good heat distribution. NON-STICK - You can keep the cast iron grill grates seasoned (oiled them after each use), non-stick help cook beautifully and add a smoky taste Some tips to prevent rusting - (1) Wash and dry after each use. (2) Brush oil and season after each use. (3) When not in use, please cover the grill. (4) Open a little damper and let the condensate evaporate Zemibi 7524 Cooking Grill Grates for Weber Genesis 300 Series, 19.5" Porcelain-Enameled Cast-Iron Grates for E310 E320 E330 S310 S320 S330 EP/CEP310 EP/CEP320 EP/CEP330 Grill Parts Replacement 7528