Back-Draught Shutters Plastic ABS

Description

  • Backdraft shutters (or Butterfly Dampers) are commonly used with inline exhaust fan systems.
  • The shutters open with the pressure generated by air stream then closes automatically.
  • Diameters from 100 to 150mm.
  • TThey prevent air return when the fan is out of operation, thus preventing the entry of dust, odor, smoke etc.
  • Suitable for domestic cooker hoods.

PDF / Specifications