200-125mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel

150mm to 125mm (6" to 5") White Plastic Ducting Reducer

200-100mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel

200mm to 150mm (8" to 6") White Plastic Ducting Reducer

Kair Ducting Reducer 150mm to 125mm - 6 to 5 inch Duct Pipe Reduction Connector for Extract Fans and Ventilation Units

Manrose White Ducting reducer (Dia)100mm (W)125mm

160-150mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel

Kair Ducting Reducer 150mm to 100mm - 6 to 4 inch Duct Pipe Reduction Connector for Extract Fans and Ventilation Units

150-100mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel

Kair Ducting Reducer 125mm to 100mm - 5 to 4 inch Duct Pipe Reduction Connector for Extract Fans and Ventilation Units

125mm to 100mm (5" to 4") White Plastic Ducting Reducer

250-125mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel

150mm (6") to 100mm (4") Round Duct Reducer. One Piece Reducer Takes Less Space

200-150mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel

Round Ducting Reducer 200mm to 150mm for Extractor Fans Tumble Dryer Cooker Hood and Ventilation Units

150-125mm Metal Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Galvanized Steel

Kair Ducting Reducer 200mm to 150mm - 8 to 6 inch Duct Pipe Reduction Connector for Extract Fans and Ventilation Units

Kair Ducting Reducer 100mm to 80mm Duct Pipe Reduction Connector for Extract Fans and Ventilation Units

Multistage Round Duct Reduction, Vent Duct Reducer, Ducting Pipe Connector, Duct Transition - 4" 5" 6" Diameter 100 120 125 150 mm

204mm x 60mm to 110mm x 54mm Reducer / Adapter