XL:

• Transform your entire Primo Grill into an oven or a low-temperature smoker.
• Perfect for slow cooking roasted chicken, fish, trip-tip or even baking cookies.
• Use with aluminum pans to catch drippings and easy cleanup.
• Only fits Primo Oval XL 400 grills.
• Must be used with the Primo Heat Deflector Racks (sold separately).

XXL: 

• Transform your entire Primo Grill into an oven or a low-temperature smoker.
• Must be used with the Primo Heat Deflector Racks (sold separately).
• Only fits Primo Oval XXL 500 and Oval G420 gas kamado grill.
• Includes a pack of two(2).