Prism Hardscapes Tavola II 36-Inch Natural Gas Square Fire Pit Table - Pewter - PH-406-4NG. PH-406-4NG. Fire Pit Tables. The beautifully simplistic design of the Tavola II Fire Pit Table will seamlessly fit in to your outdoor space. The Pewter finish, clean lines, and rough textures of this piece perfectly complement the dancing flames it produces. Made of Glass Fiber Reinforced Concrete (GFRC), this fire pit table is designed to have a fraction of the weight of pre-cast concrete, and has superior durability in outdoor applications. GFRC cannot rust like steel and is weather resistant, flame retardant, and impermeable to give years of enjoyment. This fire pit table includes a CSA approved stainless steel H-burner rated for 65,000 BTUs and a 50 lb bag of 3/4-inch lava rock.