DuraVent DuraTech All-Fuel Galvanized Attic Insulation Shield - For 7" Inner Diameter DuraTech: A vent pipe with a 7" inner diameter is required for this unit. The most crucial components of the installation procedure are often the ones that are missed unintentionally. The DuraTech All-Fuel Galvanized Attic Insulation Shield is designed to keep your attic safe from your fireplace. It's made to work with Chimney Pipes with a 7" Inner Diameter, ensuring that its operation doesn't jeopardize your home's safety.

Limited lifetime warranty Durable galvanized steel construction For use with 7" DuraTech chimney pipes Required for installations that pass through an attic Prevents insulation from accumulating near chimney piping