Primo Heat Deflector Plates Oval XL 400 (2 pcs.) PRM324 Converts your grill into an oven, for roasting and smoking. Use the Ceramic Heat Deflector Plates in conjunction with the Heat Deflector/Drip Pan Racks. One set per box. Comes in specific models for XL 400 (#324), LG 300 (#326), JR 200 (#325)...