DuraVent DuraPlus 6 in. D X 17 in. L Galvanized Steel Vertical Installation Kit

DuraPlus is designed to stay cool on the outside, to provide a hot draft on the inside, to boost stove efficiency and to provide for a fire-safe design that protects both the chimney and the building. All-in-one kit has everything you need except the necessary lengths of chimney pipe and connector pipe to save time and guesswork.