The PEV-400 is a gravity ventilator comprised of three sides of standard stationary non-drainable louver model ESJ-401, along with one side of 1/8-inch thick annealed plate glass. An SMD-201 fire/smoke damper with an electric actuator and OCI indicator is factory installed in the throat of the factory provided roof curb. The unit is fully assembled with a roof curb.

  • 4-inch depth
  • 30% free area (total)