Hampton Bay’s Cross Ridge Outdoor Gas Fire Pit Table Patio Heater is crafted with a beautiful, natural slate tabletop and solid steel frame finished in antique bronze. The steel construction ensures seasons of outdoor enjoyment, while the 6 kg lava rocks provide ample heat for your patio. This heater uses a propane tank (sold separately) and delivers a total heat output of 50,000 BTUs, so you can enjoy your patio even during cooler months.