220mm x 90mm Straight Connector with Damper

Fast Clamp Ducting Connector - 150mm

Kair Connector with Backdraught Shutter 100mm - 4 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose

100mm Round Flexible/Rigid Ducting Straight Connector

National Ventilation 494 Easipipe Straight Pipe Connector with Back Draught Damper 100mm / 4 Inch white

100mm Round Ducting Straight Connector with Damper

100mm Round Threaded Hose Connector Male - Connect Flexi Duct To Rigid

Kair Round Connector 100mm - 4 inch to Connect Duct Pipe or Flexible Ducting Hose

Kair Round Equal T-Piece 100mm - 4 inch Plastic Ducting Tee Junction Connector

Kair Connector with Backdraught Shutter 150mm - 6 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose

Kair Round Connector 150mm - 6 inch to Connect Duct Pipe or Flexible Ducting Hose

Kair Round Equal T-Piece 150mm - 6 inch Plastic Ducting Tee Junction Connector

125mm Round Flexible/Rigid Ducting Straight Connector

110mm x 54mm Straight Connector with Damper

Fast Clamp Ducting Connector - 100mm

150mm Round Ducting Flexible/Rigid Straight Connector

I-sells Metal Ducting Connector 100mm / 4 inch Female Coupling

I-sells Metal Ducting Male Sleeve Connector 100mm / 4 inch Rubber Seal Coupling

204mm x 60mm Duct Connector Rectangular Duct

150mm Round Ducting Straight Connector with Damper