type b gas vent fitting for venting of gas appliances. used to seal b-vent flashing penetration. must be used only with duravent b-vent pipe and fittings to comply.
- Type B Gas Vent fitting
- Galvanized steel construction
- Used in conjunction with B-Vent flashing
- Sized to fit DuraVent B-Vent pipe
- Made in USA, UL 441
