Threshold Red Rocks 18.5" Round LP Outdoor Gas Fire Bowl Outdoor Use Only, Adjustable Flame - Frame Material: Steel, Stainless Steel Includes: Control Knob, Lava Rock, Lid Power Source: propane/ liquid petroleum gas Heat Coverage: 346 square feet - Heat Output: 54000 BTU Dimensions: 14.650 H x 18.500 W x 18.500 D - Weight: 19.9