Detail: Meaning “new star”, the Nova Sintered Stone outdoor fire pit is aptly named & expertly crafted using SOL Sintered™ Stone that is elegantly wrapped around an invisible aluminum frame. Dual-fuel enabled: for use with liquid propane or natural gas (NG conversion kit & professional installation required). Please note: This fire pit is manually lit and does not include an ignitor. Nova 50” x 31" Outdoor Fire Pit: 100,000 BTU. Listed to ANSI Z21.97-2014/CSA 2.41-2014. Fits a 20 lbs vertical propane tank inside the frame.