You might also be interested in these extractor fan adaptor.
Oneyijun 140-180mm ABS Ducting Reducer Round Pipe Multi Reducer Extractor Fan Ventilation Systems Hose Connector Adapter Diameter White Tube Reducing Ring Duct with Stainless Steel Clamp and Tape
Oneyijun
£ 11.88
free shipping
To the product (1 offer)
Round Ducting Reducer 150mm to 100mm - 6 to 4 inch Duct Pipe Reduction Coupler for Extractor Fans, Cooker Hood Tumble Dryer Ventilation
ProfessorPrints
£ 7.49
free shipping
To the product (1 offer)
7% off
Vent Systems 125mm / 5" to 100mm / 4" Ducting Reducer – Galvanised Steel Round Pipe Adapter – HVAC Vent Connector for Extractor Fan, Tumble Dryer, Cooker Hood & Ventilation Systems – Indoor Use
Vent Systems
£ 11.18
free shipping
To the product (1 offer)
Reducer 150 to 100, exhaust hose adapter, ventilation pipe, 150 mm to 100 mm, with 2 stainless steel hose clamps, round pipe ventilation hose for ventilation system, ventilation, round pipe
Rayconup
£ 8.99
free shipping
To the product (1 offer)
110mm to 100mm Duct Reducer - Pipe Connector Adaptor for Extractor Fans, Roof Tile Vents, and Soil Vent Pipes - Injection-Moulded Black Plastic - UK Made
Beddoes Products
£ 9.99
free shipping
To the product (2 offers)
Round Ducting Reducer 150mm to 100mm, 6 to 4 inch Duct Reduction Connector | 150mm to 100 mm Reducer mit Stainless Hose Clips(91-114mm,141-165mm),Extractor Fan Reducer Joint Duct Pipe Connector Adaptor
Round Pipe T Piece 150 mm/15.2 cm Extractor Fan T Connector 3 Way Adaptor ko150 – 26
Awenta
£ 17.99
free shipping
To the product (2 offers)
GTNCE Ducting Reducer 150mm to 100mm Duct Reducer mit Stainless Hose Clips | Round Ducting Reducer Pipe Connect Circular Reducing Joint Duct Pipe Connector Adaptor for Extractor Fans Ventilation Duct
GTNCE
£ 7.99
free shipping
To the product (1 offer)
15% off
150mm to 100mm Round Ducting Reducer, 91-114mm,141-165mm Stainless Hose Clips, Joint Duct Pipe Connector Adaptor for Connect Round Duct Pipe or Extractor Fans Reducer
EujRcf
£ 6.79
free shipping
To the product (1 offer)
Vents 125mm to 100mm Round Ducting Reducer | 5 To 4 Inch Plastic Connector For Joining Different Round Duct Sizes In Extractor Fan And Ventilation Installations
VENTS UK
£ 6.29
free shipping
To the product (1 offer)
9% off
Which.One Highlight
Hon&Guan Ducting Reducer 150mm to 100mm, 6 to 4 inch Extractor Fan Reducer Circular Reducing Joint Duct Pipe Connector Adaptor
