Make your fireplace more efficient with the Fleur de Lis Cast Iron Fireplace Fireback. Featuring a beautifully detailed fleur de lis, the stylized version of an iris flower used as a deorative and symbolic emblem throughout history, it's an elegant addition to your fireplace.Firebacks have been in use since early Colonial times to increase the fire's efficiency up to 50%. They reflect more heat into the room and radiate warmth even after your fire has died down. They also protect firebrick, increasing the life of the firebox and helping to prevent further damage to aging fireplaces. The Fleur di Lis fireback is designed to rest right on the floor of the hearth, but fireback feet (sold separately) may also be used to hold it upright and raise it off the hearth floor for extra height. For wood or gas fireplaces. Heat-resistant matte black finish.