The Peterson Real Fyre 39-Inch Vented Natural Gas G31 3-Tiered Burner - Manual Safety Pilot (MCS-39 - G31-33-39-A) includes a natural gas advanced three-tiered G31 burner with porcelainized reflective front pane, custom grate, bryte coals, glowing embers, sand, connector kit, and damper clamp. This burner features a 3-Tiered burner design for a high, full-bodied flame, with a compact footprint to fill your fireplace. The G31 has a porcelainized reflective front panel to provide a deeper ember bed reflection. Ignition is controlled by a low profile safety valve with standing pilot, for manual on/off operation. A double heat shield keeps the valve cooler.