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

Metal Ducting Male Sleeve Connector 125mm / 5 inch Standard Coupler

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

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

160mm Metal Ducting Female Coupler for Ventilation & MVHR Systems

Flat Plastic Ducting Coupler 204x60mm

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

I-sells Metal Ducting Connector 125mm / 5 inch Female Coupling

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