Hand Laid Reinforced Concrete. Burner Size: 12" Diameter. Burner Ring Construction: 304 Stainless Steel - 18 Gauge. Control System: 1.5v Electric Ignition with Auto Safety Shut-Off. Product Size: 41" x 41" x 11.8". Product. Weight: 139lbs. Gas Type: Liquid Propane/Natural Gas. Includes 10" Hose. Maximum Heat Output: 50,000 BTU's. Media: Bali Beach Rock (50lbs included). Certification: CSA Listed. Oxford/PVC Cover Included. Finish: Travertine. Warranty: 1 Year