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SpiroFlex 160/125 reducing adapter (OC) nipple — concentric pipe reducer 160→125 mm
Summary description:
Concentric reducing adapter from SpiroFlex for ductwork: 160 mm inlet to 125 mm outlet (OC nipple). Designed to connect round metal ducts or fittings with different diameters while maintaining airflow alignment. Suitable for HVAC ventilation, exhaust systems, and air distribution in residential or commercial installations where a smooth transition between 160 mm and 125 mm circular ducts is required.