DuraVent DuraTech Adjustable Roof Support - For 5" and 7" Inner Diameter DuraTech: A vent pipe with a 5" inner diameter is required for this unit. Have you been trying to figure out how to get your plumbing system through your roof? Are you looking for the ideal transition for your 5" or 7" pipe network? You've arrived at the correct location! DuraVent's Adjustable Roof Support will perform exactly what you need it to. You can also rest easy knowing that your piping is as safe and secure as you want it to be thanks to the consistent construction. What else could you possibly require? Make a move right now!

Size: 5 Inch Product Dimensions: 21" W 2" clearance to combustibles Adjustable roof support for 5" to 7" diameter pipes Designed for normal continuous operation at 1000 degree Fahrenheit flue gas temperatures For use with wood stoves fireplaces furnaces boilers ranges water heaters or other appliances fueled by wood oil coal or gas