Product details:
Cast-Iron Firebacks protect the back fireplace wall and absorb heat to radiate it into the room. They're often leaned against the back wall. A great option is to use fireback boots, shown below. Fireback boots allow you to combine a fireback and a grate into an integrated unit. Features: Model: 61094. Brand: Pennsylvania. Type: Fireback. Material: Cast Iron. Specifications: Overall Dimensions: 18'' (W) x 1'' (D) x 20'' (H).