*Please note these firepits are made of a fibreglass concrete mixture. The concrete requires sealing to prevent weathering and staining. Includes:Boulder Fire Table13.2 lbs Lava RockCanvas cover10ft LP Hose and Regulator Available Accessories (Sold separately):Boulder Tank Cover - ONB022Stainless Steel Lid - ONF01-120DWindscreen - ONC05-001 Features:BTUs (Maximum Heat Output): 45,000.Fuel Type: Available in Liquid Propane or Natural GasElectronic Ignition with Auto Safety Shut-Off.Body Construction: High Performance Cast Concrete.Burner Construction: 16 Gauge and 304 Stainless Steel.Certification: CSA and CE Certified.Lava Rock and Canvas Cover Included.Warranty: 1 Year. Specifications:Overall Dimensions: 43" (L) x 35" (W) x 16" (H).Burner Pan Internal Dimensions: 17.7" (L).Burner Length: 12".Media Lava Rock: 13.2 lbs.