DuraVent 4DV36DW Aluminum Double-Wall Flex Connector – 4 x 36 inch

This Aluminum 36 Inch Double-Wall Flex Connector with 4 Inch Inner Diameter from the Dura Connect II series is a Type B gas component and consists of the duralock system for a tight seal. Use as a connector system to replace rigid gas vent with a flexible section. Dura Connect II can be used when Type B gas vent double-wall connector is required. Not to be enclosed and cannot penetrate through walls, floors, or ceilings. Twist-lock connectors on each end.