Fireplace Plug 16 in. x 38 in. Rectangular Fireplace Plug Rectangular Fireplace Plug BRK-FP-05-01 - The Home Depot

Fireplaces - The Home Depot

Close/seal unused fireplace chimney for heat insulation? : r/HomeImprovement

Twin Star Home 47.38 in. Wall Mantel Electric Fireplace in Omni-Sargent Oak 23WM6603-PO101S - The Home Depot

Fireplace Damper - Fireplace Accessories - Fireplaces - The Home Depot

Twin Star Home 47.38 in. Wall Mantel Electric Fireplace in Fairfax Oak 23WM6603TPO116S - The Home Depot

Classic Flame Pioneer Stone Electric Fireplace Mantel Package - Brushed Dark Pine, 18WM10400-I601 : Home & Kitchen

Twin Star Home 47 in. Freestanding Wooden Electric Shiplap Wall Mantel Fireplace in Chico Oak 23WM6603-PO127S - The Home Depot

Fireplaces - The Home Depot

Gibraltar Building Products 15 in. x 23 in. Galvanized Steel Adjustable Flue Guard Chimney Cap Spark Arrestor in Black CG4BLK - The Home Depot

Fireplaces - The Home Depot