- UL Listed to UL Standard UL1738, ULC–S636-08.
- Vent sections are constructed of an inner wall and outer wall with insulation in between - inner vent is Single Wall 444 Stainless Steel and outer shell is 430 stainless steel
- Inner vent diameters range from 5" to 16"
- Suitable for interior or exterior installation
- Suitable for use with gaseous fuels venting appliances rated category II, III, and IV
- Model 2V Type BH available for Negative & Positive Pressure Industrial or Commercial Appliances up to 50 w.c.
- Rated for continuous operation at 550 degrees F in United States
- Rated for continuous operation at 473 degrees F in Canada