The PC-RD05C4 Radiation Damper closes to prevent the spread of fire and heat in the case of an emergency. The PC-RD05C4 Radiation Damper is designed to protect ceiling penetrations in 1, 2 or 3 hour fire-rated floor/ceiling and roof/ceiling designs.
Meets or Exceeds National Fire Protection Association Standards and UL Classified 555C
Combined with Panasonic Ventilation fans, meets or Exceeds NFPA-90A and UL 555C
All Panasonic Fans