Male - this will fit into flexible/solid ducting.
100mm Galv Female Metal Spiral Ducting Fittings Connector Coupler Extractor Fans
Male Ducting Connector 4" to 10"
160mm Galv Female Metal Spiral Ducting Fittings Connector/Coupler, Ventilation
125mm Galv Female Metal Spiral Ducting Fittings Connector Coupler Extractor Fans
140mm to 100mm (4") Fan Duct Adaptor Shroud for Flexible or Rigid Ducting
Ducting Round Domed Plastic Pipe Reducer 5" 125mm (male) to 6" 150mm (female)
