The Heartland Oak Vented Log Set by Duluth Forge recreates the look and feel of a real wood-burning hearth. This Vented Gas Log Set was molded from real wood providing a realistic appearance that incorporates charring, deep bark texture and split accents. The U- Burner chassis design provides multiple rows of flames which brings you the most realistic flame patterns. Like a real wood burning fireplace, the Heartland Oak requires a fully functional chimney with an open flue when in use. The glowing embers create the most illuminating beauty of a warm and classical ambiance. Product Features45, 000 BTUNatural Gas operationLiquid Propane conversion kit available; Model NVDWA18 hand painted realistic detailed logs using superior refractory ceramics to ensure a long life-spanU-Burner chassis design allows for large, full flames throughout the log setMatch Light Manual IgnitionMust be installed in a masonry fireplace or vented fireboxFlue must be open at all times when in use1 bag of Glowing Embers Included1 bag of Vermiculite IncludedDamper clamp includedMinimum Firebox Size Required: 18” H x 24” W in front (18” W at rear) x 15” DPFS ApprovedDesigned for Indoor Use OnlyWhat's In the Box?- U-Burner Chassis - Qty. 1- Hand Painted Ceramic Logs - Qty. 8- Iron Grate - Qty. 1- Bag of Embers - Qty. 1- Bag of Vermiculite - Qty. 1- Damper Clamp - Qty. 1- Hardware Pack - Qty. 1