Connection Size B21.5mmConnection Size A21.5mmERP (Energy Efficiency)NPipe Connection TypePush FitPipe Connector TypeReducerConnection MaterialPlasticPipe Connection Size40 mm x 21.5 mmTypeFittings - ReducersSuitable forDrainageMinimum Diameter21.5 mmMaximum Pressure0.5 barMaximum Diameter40 mmMaterialRubberLength45mmDiameter21.5mm x 21.5mmColourBlackSupplier Part NumberWP74Range DescriptionPoly WasteBrand NamePolypipe