DiversiTech CVENT-2 Concentric Vent Termination Kit 2 in
2 Inch Diameter Concentric Vent - The Concentric Vent allows both the intake for combustion air and the exhaust vent to pass through a standard roof or sidewall. This is an alternative to the standard two pipe intake/vent shown in the basic furnace installation instructions. CVENT-2 is for use with 2 inch intake/vent systems.