Prism Hardscapes PH-427-4NG Tavola 42 Pewter Natural Gas. The Tavola 42 fire table provides an outdoor retreat of warmth and ambiance. Each table has been hand-crafted using our custom patina finishing process, guaranteeing a one-of-a-kind creation with subtle variation. The 42″x42″ table provides a beautiful and functional centerpiece for any backyard, patio or lounging area. The ambient heat provides plenty of warmth for multiple people. The 65,000 BTUs unit operates on either Propane Gas or Natural Gas.