Enhance airflow control with the Primo Grill Chimney, Aluminum for Oval LG, XL, Round - PG1000196. This new style large damper top assembly fits seamlessly on Primo Oval 400 XL, Oval 300 Large, and Round Kamado grills, improving smoke and heat management during grilling and smoking sessions. Enjoy enhanced performance and durability with this essential accessory for your Primo grill.