About the DuraVent 46DVA-ADF DirectVent Pro 4" Co-Linear Flex Connector for 6-5/8" O.D. Vent
The DirectVent Pro collection, designed for direct vent gas or propane stoves, fireplaces, and heaters, brings you the DuraVent 46DVA-ADF co-linear flex connector. This is to be used as a flex connector with inserts with 3-inch co-linear intake and exhaust ports. It has a 4 x 6 inches inner diameter and a 4-inch length. This is also covered by a limited lifetime warranty from DuraVent when purchased.