Stainless High Heat Charcoal Fire Grate Upgrade for Medium Big Green Egg Grill - 6.8" - 10yr Warranty Performance upgrade for the cast iron charcoal fire grate in your grill. Durable 304 stainless steel heavy duty construction. More air flow - starts easier and burns hotter - or cook low and slow. Won't clog with ash and eliminates frequent cleaning. 5 year manufacturer's warranty.