Dura-Vent Galvanized Direct Vent Pipe - 3 To 7 Inch Adjustable
Dura-Vent Galvanized Direct Vent Pipe - 3 To 7 Inch Adjustable has an inner wall of .020" aluminum and an outer wall of .018" galvanized steel. This pipe has a 4" inner diameter, with a 6 5/8" outer diameter. Dura-vent pipe appliances can easily be located next to a wall and vented through the wall without the expense of a chimney or vent them straight up the middle of the house. This precision fitting pipe safely vents flue gases, while providing incoming combustion air through the space between its inner and outer walls. The components twist lock together for quick, secure, fastener-free installations.