250mm Metal Ducting Female Coupler for Ventilation & MVHR Systems 10"

150mm Metal Ducting Female Coupler for Ventilation & MVHR Systems 6"

200mm Metal Ducting Female Coupler for Ventilation & MVHR Systems 8"

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

Metal Ducting Male Sleeve Connector 200mm / 8 inch Standard Coupler

160mm Metal Ducting Female Coupler for Ventilation & MVHR Systems

Flat Plastic Ducting Coupler 204x60mm

100mm Metal Ducting Female Coupler for Ventilation & MVHR Systems 4"

125mm Metal Ducting Female Coupler for Ventilation & MVHR Systems 5"