Majestic 4-inch Insulated Flex Duct For Outside Air

The Majestic 4-Inch Insulated Flex Duct for Outside Air, Model ID4, is a genuine Majestic venting accessory designed to supply outside combustion air to compatible Majestic wood-burning fireplaces. Featuring a 4-inch insulated flexible duct, it helps simplify installation while providing an efficient outside-air connection for your fireplace.

The ID4 kit includes two 42-inch insulated flex duct sections, providing a total of 84 inches of flexible ducting that can be routed around framing and other installation obstacles. The insulated construction helps protect the outside-air passage from surrounding temperatures, making it a dependable choice for new fireplace installations or replacement applications.