Kair Round Connector 125mm - 5 inch to Connect Duct Pipe or Flexible Ducting Hose

Fast Clamp Ducting Connector - 150mm

100mm Round Flexible/Rigid Ducting Straight Connector

SPARES2GO Bend Elbow Duct 90 Degree Vent Hose Pipe Tube Hydroponics / Tumble Dryer Ducting Connector (4" / 100mm)

Kair 45 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose

I-sells Metal Ducting Connector 200mm / 8 inch Female Coupling

Kair 90 Degree Elbow Bend 100mm - 4 inch Round Plastic Ducting Joint to Connect Round Duct Pipe or Flexible Hose

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

Fast Clamp Ducting Connector - 200mm

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

Manrose White Flexible Ducting connector (Dia)100mm (W)100mm

100mm to 80mm Round Hose End Rigid/Flexible Ducting

Fast Clamp Ducting Connector - 125mm

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

125mm Round Flexible/Rigid Ducting Straight Connector

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