150 to 125mm Round Pipe Plastic Duct Straight Reducer

The 125mm Round Pipe provides superior airflow performance when compared with the 125mm Rectangular Duct and should always be considered first option if space allows. For Round Pipes, it is the most popular size used in the market today and is ideal for long ducting runs for whole house ventilation, passive stack ventilation and heat recovery systems. This range also comes with an extensive range of fittings, outlets & grilles.