DuraVent DirectVent Pro 3 Inch & 3 Inch Aluminum Flex Liner with High Winds Cap 25 ft length Direct Vent Pipe For Gas Fireplaces & Gas Stoves | 46DVA-CL33-25 |

Use when installing a direct vent co-linear insert into a masonry chimney.

Kit includes: Choice of High-Wind Termination Cap or Prairie Termination Cap; and two pieces of Aluminum Flex lengths - one Red (exhaust), and one Green (air intake). See chart for diameters and lengths.