M G Duravent Inc DuraVent DuraPlus 6 in. Dia. x 17 in. L Galvanized Steel Vertical Installation Kit - Case of: 1; 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.; ; Brand Name: DuraVent Sub Brand: DuraPlus Diameter: 6 in. Length: 17 in. Material: Galvanized Steel Product Type: Vertical Installation Kit Packaging Type: Boxed Maximum Temperature: 1000 F Insulated: Yes Gauge: 28 Ga. Color: Silver Indoor or Outdoor: Indoor Features Through-the-ceiling installation kit for 6" DuraPlus chimney pipe Supports up to 35 feet of pipe (not included) Everything you need except the stove pipe and chimney USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.