REDUCER, 25-20MM, GALVANISED, PK5; Conduit Component Type:Reducer; Converts From:-; Converts To:-; Conduit Material:Brass; For Use With:Malleable Conduit Boxes; Accessory Type:Reducer; Body Material:Brass; External Diameter:25mm; Material:Brass; Reducing Diameter:20mm; Thread Size:M25 to M20