type b gas vent fitting for venting of gas appliances.used with double wall construction b-vent pipe. galvanized outer wall. must be used only with duravent b-vent pipe and fittings to comply.
- Type B Gas vent galvanized roof flashing
- Adjustable flashing for 0/12 - 6/12 roof pitch
- Made in USA
- Sized only to fit DuraVent type B gas vent pipe
