Solid and durable, the burner kit with logs is perfect for any Masagril fire pit. The burner kit comes with the refactory logs and lava rocks, to create a fire that is perfection. Features: -Diameter:18″. -Unit doesn’t include flame safety mechanism - U.L. Listed Stainless Steel. -Refractory Logs with Lava Rocks. - Use with 60,000 BTU Propane / Natural Gas Burner.