DuraVent 46DVA-18, DirectVent Pro 18″ Pipe Length (galvanized) For 4” x 6 5⁄8”Diameter direct vent.
Designed for appliances tested and listed for direct vent. 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.