Napoleon FTV58 Top Vent Kit for 5 Inch x 8 Inch Flexible Direct Vent
Includes 12 Inch to 60 Inch flex vent (5 Inch inner and 8 Inch outer), 1-GD422-1 wall terminal or vinyl siding shield and firestop
Designed for use on a top vent fireplace
Using the 60 Inch flex vent come straight up off the fireplace, then create your 90° bend and pass through the exterior wall to the GD-422 termination
The flex vent arrives compressed to 20 Inch and is then stretched to whatever length is necessary, no need to cut or alter the vent pipe if you don't need all 60 Inch