Designed for appliances tested and listed for direct vent and features a fully unitized twist-lock construction. 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, allowing for a beautiful, sleek finish that looks great in any interior. All DirectVent Pro black pipe lengths feature exterior laser-welded seams.

• • Features a .020" aluminum inner wall and .018" galvanized outer wall
• • Outer pipe brings combustion air to the appliance
• • Inner pipe exhausts flue gases to the outside
• • Gaskets or sealants not required (unless specified by the appliance manufacturer)
• • Black painted outer wall with laser-welded outer wall seams for a sleek finish