Brand Name: Imperial Manufacturing
*Diameter: 3 in.
*Length: 24 in.
*Material: Galvanized Steel
*Product Type: Furnace Pipe
*Gauge: 30 Ga.
*Color: Silver
*Packaging Type: Bulk
*Indoor or Outdoor: Indoor
*For gas heating, ventilation, and air conditioning only
*Not for use with solid fuel appliances
* Outside surface smooth
*Snap lock