Designed for appliances tested and listed for direct vent. Features a fully unitized twist-lock construction 4” x 6 5⁄8” vent sizes. Use of sealant is optional, unless specified by the appliance manufacturer. To calculate install length, subtract 1 1⁄2” for each joint. No beads or hems. Black pipe lengths feature exterior laser-welded seams.
- Safely vents flue gases, while providing incoming combustion air
- Construction Materials: .020″ aluminum inner wall with .018″ galvanized steel outer wall
- Dimensions: 4″ ID x 6 5/8″ OD x 60” long