Detail: Origin Fire Pits feature a SOL Sintered™ Stone top on a powder coated aluminum base. SOL Sintered™ Stone is an innovative, non-porous stone which is impact, chip, scratch, fire, frost, UV chemical & stain resistant. It's also ecological, easy-to-clean & beautiful! Includes 304 stainless steel burner with thermocouple, matching burner cover & access door in base. Dual fuel enabled: for use with liquid propane or natural gas (conversion kit required.) Available in 2 Fire Pit Top finish options with 2 Fire Glass options. Tested in Canada & USA as an outdoor gas appliance. 59″ x 36″ 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.