This Gas Fire Pit is a 18" Flat Square Stainless Steel 90K or 150K BTU A/C Powered Fully Assembled Fire Pit. Includes 18" Flat Square 16 Gauge Stainless Steel Pan, 12" Square Stainless Steel Fire Ring .065" Wall Thickness (Precision Drilled Holes-Not Punched); 16 Gauge Stainless Steel Valve Control Box; Hot Wire Ignition (impervious to weather); a remote control unit or wired wall switch; a durable 35" Black Vinyl Cover to protect from debris and weather; and 2 (1/2 cubic ft.) bags of Lava Rock. This unit is ready to be installed into your custom built enclosure.