Primo Extended Cooking Rack (1 Per Box) Fits XL Oval: With the Primo Extended Cooking Racks you can maximize and use all the space of your Primo Oval XL Grill. Use two of these racks on your Primo Oval XL to increase your total cooking area from 400 sq. Inches to 680 sq. Inches! With this Primo multi-tiered cooking system you can cut the time of cooking for large groups in half or make a variety of foods all at the same time. A must have accessory for your Primo Oval XL Kamado Style Grill.