The Cuisinart Chimenea Propane Fire Pit will be a stylish addition to your outdoor entertaining space. Not just for ambiance, this innovative directional heat shield forces the hot air outward, warming you and your guests. With 40,000 BTUs of heat this unit can run off a 20 lb. propane tank for up to 9-15 hours (depending on heat settings). 8 lbs. of lava rocks are included; these red rocks trap and disperse heat, providing warmth and a beautiful ambiance as the fire dances over them. The durable constructed painted steel frame and stainless steel base includes a tip-over safety switch for extra protection. Easy to use with an adjustable heat control system, the Cuisinart Chimenea Propane Fire Pit will be a great addition to your outdoor living space. 40,000 BTU chimenea style firepit Produces 40,000 BTUs of heat for up to 9-15 hours (depending on heat settings)? Painted steel frame with stainless steel base? Includes 8-lbs of lava rocks to trap and disperse heat, providing warmth and ambiance Includes a flame failure cut-off switch for safety?