Napoleon Black Mirro Flame Reflective Porcelain Panel for 36" Ascent Direct Vent Fireplace h43.625 33 kg BTU 4695 Adjustable 000 BTU s of 33 kg BTU 4695 Adjustable Brightness No Warranty 1 yr limited Model # DFI2310 Cut Out Wall Dimensions Depth Length 12" (in) Heat Vent Location Front Element Type Coil Wire Front Dimensions Height 19 You can also put the heat on the built in timer setting Black porcelain panels enhance the appearance of the gas fireplace The high quality porcelain construction ensures a long lasting and durable product while the reflective design adds an added depth to the gas fireplace for an enhanced appearance