Kair Connector with Backdraught Shutter 100mm - 4 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose
- 100mm / 4 inch plastic ducting connector with inline backdraught shutter / gravity damper flap.
- Stop smells and prevent cold air coming through your extract fan or ducting.
- Will fit inside 100mm round pipe or 102mm flexible hose and can be used to join multiple lengths of pipe together to form a long duct run.