150mm / 6 inch diameter galvanised steel ducting pipe for use with ventilation systems.;Note that metal spiral ducting tube is 'female' i.e. spiral duct fittings such as bends and reducers generally slip inside the tube.;We recommend that lengths of spiral tube are joined together using 'safe-seal' male couplers (Part: GALNPU-150).;Round rigid ducting provides superior airflow performance vs. comparative size rectangular or flexible duct.;A range of diameters are available from 80mm to 1600mm. You can carefully cut Pipe to desired length using a jigsaw or hacksaw.
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