CVENT-3-EXT | 3in Concentric Vent, Extended Length | DiversiTech

3" CONCENTRIC VENT [sku]: CVENT-3-EXT [brand]: DiversiTechThis concentric vent is designed for use with gas appliances. It is made of galvanized steel and has a 3" diameter. The vent is 12" long and has a 90-degree elbow. It is easy to install and can be used in both indoor and outdoor applications.[CTA] our HVAC supply store offers the best prices and fast shipping for your products! The DiversiTech® CVENT-3-EXT is a 3 in. concentric termination kit that simplifies installation for high efficiency furnances by only requiring one hole through the wall or roof where the pipes terminate. Without using the installation would require cutting two holes through the home (one for each pipe). This vent saves time and money by reducing the amount of work required. The kit includes combustion air inlet cap, air inlet pipe, vent pipe and intake/vent concentric Y.