DuraVent DuraTech Galvanized Steel Extended Adjustable Wall Strap - For 5" and 7" Inner Diameter DuraTech: A vent pipe with a 5" inner diameter is required for this unit. What do you require to feel comfortable and secure about your home's piping system? Perhaps just a little more help where your infrastructure takes a turn? That's exactly what you'll get with DuraVent's Extended Adjustable Wall Strap! You may rest easy knowing that your pipes will be properly supported to offer your installation a full sense of security. Compatible with 5" and 7" diameter installations. What else could you possibly require? Make a move right now!

Size: 5 Inch Product Dimensions: 19" W x 21 5/8" D 2" clearance to combustibles Extended adjustable wall 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