Sahar Electric Fireplace Insert #2497HW

OPEN BOX ITEM Overall 20'' H x 24'' W x 6'' D Firebox 20.08'' H x 23.58'' W x 5.12'' D Overall Product Weight 20.68 lb. Power Cord Length 6'' Overall Width - Front 24'' Overall Width - Back 24'' Dimensions of the opening that this insert can fit into: 20" H x 5" D This will need 2-3" in the back for ventilation. Recommended Opening Size: 23.5" W x 5" D x 20" H Recommended Back Clearance: 2-3"   https://www.wayfair.com/home-improvement/pdp/wrought-studio-sahar-electric-fireplace-insert-w000622456.html